384 lines
7.9 KiB
Plaintext
384 lines
7.9 KiB
Plaintext
options:
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parameters:
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author: DJ0ABR
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category: '[GRC Hier Blocks]'
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cmake_opt: ''
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comment: 'requires GNU Radio 3.8xxx
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does NOT work with 3.7x'
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copyright: DJ0ABR
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description: requires GNU Radio 3.8xxx
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gen_cmake: 'On'
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gen_linking: dynamic
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generate_options: no_gui
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hier_block_src_path: '.:'
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id: qpsk_tx
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max_nouts: '0'
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output_language: python
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placement: (0,0)
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qt_qss_theme: ''
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realtime_scheduling: ''
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run: 'True'
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run_command: '{python} -u {filename}'
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run_options: run
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sizing_mode: fixed
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thread_safe_setters: ''
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title: 'QPSK TX-Modem '
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window_size: ''
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [8, 8]
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rotation: 0
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state: enabled
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blocks:
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- name: mixf
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id: variable
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parameters:
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comment: 'mid frequency
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in the audio
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spectrum. Set to get
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lowest and highest
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frequency within the
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transceiver filter range.'
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value: '1500'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [360, 12.0]
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rotation: 0
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state: enabled
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- name: qpsk__constellation
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id: variable_constellation_rect
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parameters:
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comment: 'alternative:
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[0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]
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does not make a difference'
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const_points: '[1+1j, -1+1j, -1-1j, 1-1j]'
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imag_sect: '2'
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precision: '8'
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real_sect: '2'
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rot_sym: '4'
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soft_dec_lut: None
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sym_map: '[0, 1, 2, 3]'
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w_imag_sect: '1'
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w_real_sect: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [8, 196.0]
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rotation: 0
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state: enabled
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- name: analog_sig_source_x_0_0_0
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id: analog_sig_source_x
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parameters:
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affinity: ''
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alias: ''
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amp: '1'
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comment: 'the modulator output is in the baseband at 0 Hz.
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Mix it with the required audio mid frequency.
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cos and -sin are used to combine I and Q
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into the final signal.'
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freq: mixf
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maxoutbuf: '0'
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minoutbuf: '0'
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offset: '0'
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phase: '0'
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samp_rate: samp_rate
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type: complex
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waveform: analog.GR_COS_WAVE
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [96, 476.0]
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rotation: 0
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state: enabled
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- name: audio_sink_0_0
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id: audio_sink
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parameters:
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affinity: ''
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alias: ''
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comment: 'send audio to
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transceiver'
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device_name: ''
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num_inputs: '1'
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ok_to_block: 'True'
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samp_rate: samp_rate
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [928, 356.0]
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rotation: 0
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state: enabled
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- name: blocks_add_xx_0
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id: blocks_add_xx
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parameters:
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affinity: ''
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alias: ''
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comment: 'generate the analog
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output signal: USB
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(for LSB use substraction)'
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maxoutbuf: '0'
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minoutbuf: '0'
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num_inputs: '2'
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type: float
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vlen: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [696, 376.0]
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rotation: 0
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state: true
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- name: blocks_complex_to_float_1
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id: blocks_complex_to_float
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parameters:
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affinity: ''
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alias: ''
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comment: ''
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maxoutbuf: '0'
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minoutbuf: '0'
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vlen: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [512, 376.0]
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rotation: 0
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state: enabled
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- name: blocks_multiply_const_vxx_0
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id: blocks_multiply_const_vxx
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parameters:
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affinity: ''
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alias: ''
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comment: 'reduce level for the
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audio output, improves
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linearity'
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const: '0.05'
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maxoutbuf: '0'
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minoutbuf: '0'
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type: float
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vlen: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [784, 356.0]
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rotation: 0
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state: true
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- name: blocks_multiply_xx_0_0
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id: blocks_multiply_xx
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parameters:
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affinity: ''
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alias: ''
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comment: "mix I und Q \nto the mid \nfrequency\nspecified in\n\"mixf\""
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maxoutbuf: '0'
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minoutbuf: '0'
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num_inputs: '2'
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type: complex
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vlen: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [400, 376.0]
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rotation: 0
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state: enabled
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- name: blocks_udp_source_0
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id: blocks_udp_source
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parameters:
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affinity: ''
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alias: ''
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comment: "receive an UDP data stream\nwith the bitrate of (see \ncomment samp_rate)\n\
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The stream is buffered, \nso send some bytes ahead\nto prefill the buffer\n\
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and avoid underrun"
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eof: 'False'
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ipaddr: 127.0.0.1
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maxoutbuf: '0'
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minoutbuf: '0'
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port: '40134'
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psize: '258'
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type: byte
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vlen: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [824, 148.0]
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rotation: 180
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state: enabled
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- name: digital_constellation_modulator_0
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id: digital_constellation_modulator
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parameters:
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affinity: ''
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alias: ''
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comment: 'unpack bytes to bits
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make symbols 2bits/sym
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make constellation'
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constellation: qpsk__constellation
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differential: 'False'
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excess_bw: '0.35'
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log: 'False'
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maxoutbuf: '0'
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minoutbuf: '0'
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samples_per_symbol: resamprate
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verbose: 'False'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [392, 180.0]
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rotation: 180
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state: enabled
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- name: qtgui_freq_sink_x_0
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id: qtgui_freq_sink_x
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parameters:
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affinity: ''
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alias: ''
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alpha1: '1.0'
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alpha10: '1.0'
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alpha2: '1.0'
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alpha3: '1.0'
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alpha4: '1.0'
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alpha5: '1.0'
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alpha6: '1.0'
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alpha7: '1.0'
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alpha8: '1.0'
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alpha9: '1.0'
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autoscale: 'False'
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average: '0.1'
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axislabels: 'True'
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bw: samp_rate
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color1: '"blue"'
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color10: '"dark blue"'
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color2: '"red"'
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color3: '"green"'
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color4: '"black"'
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color5: '"cyan"'
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color6: '"magenta"'
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color7: '"yellow"'
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color8: '"dark red"'
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color9: '"dark green"'
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comment: ''
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ctrlpanel: 'False'
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fc: '0'
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fftsize: '1024'
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freqhalf: 'False'
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grid: 'True'
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gui_hint: ''
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label: Relative Gain
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label1: ''
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label10: ''''''
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label2: ''''''
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label3: ''''''
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label4: ''''''
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label5: ''''''
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label6: ''''''
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label7: ''''''
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label8: ''''''
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label9: ''''''
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legend: 'True'
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maxoutbuf: '0'
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minoutbuf: '0'
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name: '""'
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nconnections: '1'
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showports: 'False'
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tr_chan: '0'
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tr_level: '0.0'
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tr_mode: qtgui.TRIG_MODE_FREE
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tr_tag: '""'
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type: float
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units: dB
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update_time: '0.10'
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width1: '1'
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width10: '1'
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width2: '1'
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width3: '1'
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width4: '1'
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width5: '1'
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width6: '1'
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width7: '1'
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width8: '1'
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width9: '1'
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wintype: firdes.WIN_BLACKMAN_hARRIS
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ymax: '10'
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ymin: '-140'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [880, 576.0]
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rotation: 0
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state: disabled
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- name: resamprate
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id: parameter
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parameters:
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alias: ''
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comment: ''
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hide: none
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label: resamprate
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short_id: r
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type: intx
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value: '20'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [776, 12.0]
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rotation: 0
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state: true
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- name: samp_rate
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id: parameter
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parameters:
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alias: ''
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comment: Audio Rate
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hide: none
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label: samp_rate
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short_id: s
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type: intx
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value: '44100'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [208, 12.0]
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rotation: 0
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state: true
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connections:
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- [analog_sig_source_x_0_0_0, '0', blocks_multiply_xx_0_0, '1']
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- [blocks_add_xx_0, '0', blocks_multiply_const_vxx_0, '0']
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- [blocks_add_xx_0, '0', qtgui_freq_sink_x_0, '0']
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- [blocks_complex_to_float_1, '0', blocks_add_xx_0, '0']
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- [blocks_complex_to_float_1, '1', blocks_add_xx_0, '1']
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- [blocks_multiply_const_vxx_0, '0', audio_sink_0_0, '0']
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- [blocks_multiply_xx_0_0, '0', blocks_complex_to_float_1, '0']
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- [blocks_udp_source_0, '0', digital_constellation_modulator_0, '0']
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- [digital_constellation_modulator_0, '0', blocks_multiply_xx_0_0, '0']
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metadata:
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file_format: 1
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