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FM-Receiver-SDRplay.grc
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options:
parameters:
author: Tom Breyer DJ6TB
catch_exceptions: 'True'
category: Custom
cmake_opt: ''
comment: ''
copyright: ''
description: ''
gen_cmake: 'On'
gen_linking: dynamic
generate_options: qt_gui
hier_block_src_path: '.:'
id: top_block
max_nouts: '0'
output_language: python
placement: (0,0)
qt_qss_theme: ''
realtime_scheduling: ''
run: 'True'
run_command: '{python} -u {filename}'
run_options: prompt
sizing_mode: fixed
thread_safe_setters: ''
title: FM Receiver
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [11, 9]
rotation: 0
state: enabled
blocks:
- name: audio_dec
id: variable
parameters:
comment: ''
value: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [472, 20]
rotation: 0
state: enabled
- name: cutoff
id: variable
parameters:
comment: ''
value: 100e3
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [296, 20]
rotation: 0
state: enabled
- name: freq
id: variable
parameters:
comment: ''
value: 98e6
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [104, 124]
rotation: 0
state: enabled
- name: quadrature
id: variable
parameters:
comment: ''
value: 250e3
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [200, 20]
rotation: 0
state: enabled
- name: samp_rate
id: variable
parameters:
comment: ''
value: 2e6
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 124]
rotation: 0
state: enabled
- name: transition
id: variable
parameters:
comment: ''
value: 1e6
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [384, 20]
rotation: 0
state: enabled
- name: analog_wfm_rcv_0
id: analog_wfm_rcv
parameters:
affinity: ''
alias: ''
audio_decimation: audio_dec
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
quad_rate: quadrature
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [500, 126]
rotation: 0
state: enabled
- name: audio_sink_0
id: audio_sink
parameters:
affinity: ''
alias: ''
comment: ''
device_name: ''
num_inputs: '1'
ok_to_block: 'True'
samp_rate: '48000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [942, 134]
rotation: 0
state: enabled
- name: low_pass_filter_0
id: low_pass_filter
parameters:
affinity: ''
alias: ''
beta: '6.76'
comment: ''
cutoff_freq: cutoff
decim: '8'
gain: '1'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: samp_rate
type: fir_filter_ccf
width: transition
win: window.WIN_KAISER
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [292, 86]
rotation: 0
state: enabled
- name: note_0
id: note
parameters:
alias: ''
comment: 'SDRplay RSPduo
with audio spectrum (incl. 19kHz pilottone on stereo transmission)
with hf spectrum (2 megahertz)'
note: Simple FM receiver
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [579, 23]
rotation: 0
state: true
- 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: '1.0'
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: freq
fftsize: '1024'
freqhalf: 'True'
grid: 'True'
gui_hint: ''
label: Relative Gain
label1: ''
label10: ''''''
label2: ''''''
label3: ''''''
label4: ''''''
label5: ''''''
label6: ''''''
label7: ''''''
label8: ''''''
label9: ''''''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: '"Receiver spectrum"'
nconnections: '1'
norm_window: 'False'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_tag: '""'
type: complex
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: window.WIN_KAISER
ymax: '10'
ymin: '-140'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [292, 247]
rotation: 0
state: true
- name: qtgui_freq_sink_x_1
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: '1.0'
axislabels: 'True'
bw: 250e3
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: '2048'
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: '"Audio signal"'
nconnections: '1'
norm_window: 'False'
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: window.WIN_BLACKMAN_hARRIS
ymax: '10'
ymin: '-140'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [735, 242]
rotation: 0
state: true
- name: rational_resampler_xxx_0
id: rational_resampler_xxx
parameters:
affinity: ''
alias: ''
comment: ''
decim: int(quadrature/1e3/audio_dec)
fbw: '0'
interp: '48'
maxoutbuf: '0'
minoutbuf: '0'
taps: ''
type: fff
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [736, 110]
rotation: 0
state: enabled
- name: sdrplay3_rspduo_0
id: sdrplay3_rspduo
parameters:
AGC: 'False'
AGC0: 'False'
AGC1: 'False'
affinity: ''
agc_set_point: '-30'
alias: ''
am_notch_filter: 'False'
antenna: Tuner 1 50 ohm
antenna_both: Both Tuners
bandwidth: 1536e3
biasT: 'False'
center_freq: freq
center_freq0: '0'
center_freq1: '0'
comment: SDRplay RSPduo
dab_notch_filter: 'False'
dc_offset_mode: 'False'
debug_mode: 'False'
freq_corr: '0'
if_gRdB: '40'
if_gRdB0: '40'
if_gRdB1: '40'
iq_balance_mode: 'False'
maxoutbuf: '0'
minoutbuf: '0'
output_type: fc32
rf_gRdB: '30'
rf_gRdB0: '0'
rf_gRdB1: '0'
rf_notch_filter: 'False'
rsp_selector: '""'
rspduo_mode: Single Tuner
sample_rate: samp_rate
sample_rate_non_single_tuner: samp_rate
sample_sequence_gaps_check: 'False'
show_gain_changes: 'True'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 195]
rotation: 0
state: enabled
connections:
- [analog_wfm_rcv_0, '0', qtgui_freq_sink_x_1, '0']
- [analog_wfm_rcv_0, '0', rational_resampler_xxx_0, '0']
- [low_pass_filter_0, '0', analog_wfm_rcv_0, '0']
- [rational_resampler_xxx_0, '0', audio_sink_0, '0']
- [sdrplay3_rspduo_0, '0', low_pass_filter_0, '0']
- [sdrplay3_rspduo_0, '0', qtgui_freq_sink_x_0, '0']
metadata:
file_format: 1