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History

f4exb 128f091566 IQ swap: updated plugins GUI		2020-06-23 20:00:24 +02:00
..
CMakeLists.txt	REST API: config: GET (11). Support of the rest of devices	2019-08-04 20:24:44 +02:00
fcdproplusgui.cpp	IQ swap: updated plugins GUI	2020-06-23 20:00:24 +02:00
fcdproplusgui.h	Samplesources GUI file record: right click to choose file	2020-04-02 05:00:43 +02:00
fcdproplusgui.ui	Samplesources GUI file record: right click to choose file	2020-04-02 05:00:43 +02:00
fcdproplusinput.cpp	IQ swap: REST API: implementation in plugins	2020-06-23 19:56:50 +02:00
fcdproplusinput.h	REST API device and channel actions: extension of record action: implementation	2020-03-10 19:44:27 +01:00
fcdproplusplugin.cpp	Added possibility to specify devices that cannot be discovered automatically. This implements #445	2019-12-16 01:03:47 +01:00
fcdproplusplugin.h	Plugins device enumeration optimization	2019-10-09 07:39:52 +02:00
fcdproplussettings.cpp	IQ swap: initial implementation in plugins	2020-06-23 19:29:58 +02:00
fcdproplussettings.h	IQ swap: initial implementation in plugins	2020-06-23 19:29:58 +02:00
fcdproplusthread.cpp	IQ swap: initial implementation in plugins	2020-06-23 19:29:58 +02:00
fcdproplusthread.h	IQ swap: initial implementation in plugins	2020-06-23 19:29:58 +02:00
fcdpropluswebapiadapter.cpp	REST API: config: GET (11). Support of the rest of devices	2019-08-04 20:24:44 +02:00
fcdpropluswebapiadapter.h	REST API: config: GET (11). Support of the rest of devices	2019-08-04 20:24:44 +02:00
readme.md	IQ swap: updated plugins documentation	2020-06-23 19:57:54 +02:00

readme.md

FunCube Dongle Pro+ input plugin

Introduction

This input sample source plugin gets its samples from a FunCube Dongle (FCD) Pro+ device.

Interface

1: Common stream parameters

1.1: Frequency

This is the center frequency of reception in kHz.

1.2: Start/Stop

Device start / stop button.

Blue triangle icon: device is ready and can be started
Green square icon: device is running and can be stopped
Magenta (or pink) square icon: an error occurred. In the case the device was accidentally disconnected you may click on the icon, plug back in and start again.

1.3: Record

Left click: record baseband I/Q stream toggle button
Right click: choose record file

1.4: Stream sample rate

Baseband I/Q sample rate in kS/s. This is the device sample rate (4) divided by the decimation factor (6).

2: Local Oscillator correction

This is the correction to be applied to the local oscillator in ppm.

3: Auto correction options

These buttons control the local DSP auto correction options:

DC: auto remove DC component
IQ: auto make I/Q balance. The DC correction must be enabled for this to be effective.

4: Decimated bandpass center frequency position relative the FCD Pro+ center frequency

Cen: the decimation operation takes place around the FCD Pro+ center frequency Fs
Inf: the decimation operation takes place around Fs - Fc.
Sup: the decimation operation takes place around Fs + Fc.

With SR as the sample rate before decimation Fc is calculated as:

if decimation n is 4 or lower: Fc = SR/2^(log2(n)-1). The device center frequency is on the side of the baseband. You need a RF filter bandwidth at least twice the baseband.
if decimation n is 8 or higher: Fc = SR/n. The device center frequency is half the baseband away from the side of the baseband. You need a RF filter bandwidth at least 3 times the baseband.

5: Decimation factor

The I/Q stream from the FCD Pro+ ADC is downsampled by a power of two before being sent to the passband. Possible values are increasing powers of two: 1 (no decimation), 2, 4, 8, 16.

6: Transverter mode open dialog

This button opens a dialog to set the transverter mode frequency translation options. The details about this dialog can be found here

7: LNA toggle

This checkbox is used to toggle the LNA on/off

8: Mix toggle

This checkbox is used to toggle mixer amplifier on/off

9: Bias tee

Use this checkbox to activate the bias tee.

10: If gain

Use this slider to adjust the gain of the IF amplifier.

10: RF filter

This controls the tuner filter (band) used:

11: IF filter

Selects the IF filter bandwidth