SSB_HighSpeed_Modem/grc/8psk_tx.grc

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options:
parameters:
author: kurt
category: '[GRC Hier Blocks]'
cmake_opt: ''
comment: 'requires GNU Radio 3.8xxx
does NOT work with 3.7x'
copyright: ''
description: requires GNU Radio 3.8xxx
gen_cmake: 'Off'
gen_linking: dynamic
generate_options: no_gui
hier_block_src_path: '.:'
id: tx_8psk
max_nouts: '0'
output_language: python
placement: (0,0)
qt_qss_theme: ''
realtime_scheduling: ''
run: 'True'
run_command: '{python} -u {filename}'
run_options: run
sizing_mode: fixed
thread_safe_setters: ''
title: 8PSK Modem DJ0ABR
window_size: ''
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 8]
rotation: 0
state: enabled
blocks:
- name: mixf
id: variable
parameters:
comment: 'mid frequency
in the audio
spectrum. Set to get
lowest and highest
frequency within the
transceiver filter range.'
value: '1500'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [336, 12.0]
rotation: 0
state: enabled
- name: nfilts
id: variable
parameters:
comment: ''
value: '32'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [504, 12.0]
rotation: 0
state: enabled
- name: sps
id: variable
parameters:
comment: 'Samples/Symbol
fixed value,
do not change.
Used to adjust
bitrate vs. bandwidth'
value: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [944, 36.0]
rotation: 0
state: enabled
- name: analog_sig_source_x_0_0_0
id: analog_sig_source_x
parameters:
affinity: ''
alias: ''
amp: '1'
comment: 'the modulator output is in the baseband at 0 Hz.
Mix it with the required audio mid frequency.
cos and -sin are used to combine I and Q
into the final signal.'
freq: mixf
maxoutbuf: '0'
minoutbuf: '0'
offset: '0'
phase: '0'
samp_rate: samp_rate
type: complex
waveform: analog.GR_COS_WAVE
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [64, 484.0]
rotation: 0
state: enabled
- name: audio_sink_0_0
id: audio_sink
parameters:
affinity: ''
alias: ''
comment: 'send audio to
transceiver'
device_name: ''
num_inputs: '1'
ok_to_block: 'True'
samp_rate: samp_rate
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [840, 420.0]
rotation: 0
state: enabled
- name: blocks_add_xx_0
id: blocks_add_xx
parameters:
affinity: ''
alias: ''
comment: 'generate the analog
output signal.'
maxoutbuf: '0'
minoutbuf: '0'
num_inputs: '2'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [568, 344.0]
rotation: 0
state: true
- name: blocks_complex_to_float_1
id: blocks_complex_to_float
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [400, 344.0]
rotation: 0
state: enabled
- name: blocks_multiply_const_vxx_0
id: blocks_multiply_const_vxx
parameters:
affinity: ''
alias: ''
comment: 'reduce level for the
audio output, improves
linearity'
const: '0.05'
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [680, 420.0]
rotation: 0
state: true
- name: blocks_multiply_xx_0_0
id: blocks_multiply_xx
parameters:
affinity: ''
alias: ''
comment: "mix I und Q \nto the mid \nfrequency\nspecified in\n\"mixf\""
maxoutbuf: '0'
minoutbuf: '0'
num_inputs: '2'
type: complex
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [288, 344.0]
rotation: 0
state: enabled
- name: blocks_udp_source_0
id: blocks_udp_source
parameters:
affinity: ''
alias: ''
comment: "receive an UDP data stream\nwith the bitrate of (see \ncomment samp_rate)\n\
The stream is buffered, \nso send some bytes ahead\nto prefill the buffer\n\
and avoid underrun"
eof: 'False'
ipaddr: 127.0.0.1
maxoutbuf: '0'
minoutbuf: '0'
port: '40134'
psize: '258'
type: byte
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [736, 164.0]
rotation: 180
state: true
- name: digital_constellation_modulator_0
id: digital_constellation_modulator
parameters:
affinity: ''
alias: ''
comment: 'This modulator expects "Packed Bytes"
which are 8 bits within one byte.
The UDP source block deliveres bytes,
so it fits perfectly.'
constellation: digital.constellation_8psk_natural().base()
differential: 'True'
excess_bw: '0.25'
log: 'False'
maxoutbuf: '0'
minoutbuf: '0'
samples_per_symbol: resamprate
verbose: 'False'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [272, 172.0]
rotation: 180
state: enabled
- name: qtgui_freq_sink_x_0
id: qtgui_freq_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
average: '0.1'
axislabels: 'True'
bw: samp_rate
color1: '"blue"'
color10: '"dark blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: ''
ctrlpanel: 'False'
fc: '0'
fftsize: '1024'
freqhalf: 'False'
grid: 'True'
gui_hint: ''
label: Relative Gain
label1: ''
label10: ''''''
label2: ''''''
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: '""'
nconnections: '1'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: float
units: dB
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
wintype: firdes.WIN_BLACKMAN_hARRIS
ymax: '10'
ymin: '-140'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [552, 552.0]
rotation: 0
state: disabled
- name: resamprate
id: parameter
parameters:
alias: ''
comment: ''
hide: none
label: resamprate
short_id: r
type: intx
value: '24'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [808, 12.0]
rotation: 0
state: true
- name: samp_rate
id: parameter
parameters:
alias: ''
comment: Audio Rate
hide: none
label: samp_rate
short_id: s
type: intx
value: '48000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [696, 12.0]
rotation: 0
state: true
connections:
- [analog_sig_source_x_0_0_0, '0', blocks_multiply_xx_0_0, '1']
- [blocks_add_xx_0, '0', blocks_multiply_const_vxx_0, '0']
- [blocks_add_xx_0, '0', qtgui_freq_sink_x_0, '0']
- [blocks_complex_to_float_1, '0', blocks_add_xx_0, '0']
- [blocks_complex_to_float_1, '1', blocks_add_xx_0, '1']
- [blocks_multiply_const_vxx_0, '0', audio_sink_0_0, '0']
- [blocks_multiply_xx_0_0, '0', blocks_complex_to_float_1, '0']
- [blocks_udp_source_0, '0', digital_constellation_modulator_0, '0']
- [digital_constellation_modulator_0, '0', blocks_multiply_xx_0_0, '0']
metadata:
file_format: 1