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dual_demodulator.grc
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options:
parameters:
author: ''
category: '[SSB Receiver]'
cmake_opt: ''
comment: ''
copyright: ''
description: ''
gen_cmake: 'On'
gen_linking: dynamic
generate_options: hb
hier_block_src_path: '.:'
id: dual_demodulator
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: Dual Demodulator
window_size: ''
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 8]
rotation: 0
state: enabled
blocks:
- name: audio_gain
id: variable
parameters:
comment: ''
value: '4'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [892, 98]
rotation: 0
state: enabled
- name: audio_interp
id: variable
parameters:
comment: ''
value: '2'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [768, 28]
rotation: 0
state: enabled
- name: audio_samp_rate
id: variable
parameters:
comment: ''
value: int(rtl_samp_rate/decimation)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [640, 28]
rotation: 0
state: enabled
- name: decimation
id: variable
parameters:
comment: ''
value: '30'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [352, 28]
rotation: 0
state: enabled
- name: filter_shoulder
id: variable
parameters:
comment: ''
value: '400'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [886, 28]
rotation: 0
state: enabled
- name: ft8_audio_bw
id: variable
parameters:
comment: ''
value: ft8_audio_high-ft8_audio_low
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [416, 164]
rotation: 0
state: enabled
- name: ft8_audio_center
id: variable
parameters:
comment: ''
value: int((ft8_audio_high-ft8_audio_low)/2+ft8_audio_low)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [520, 164]
rotation: 0
state: enabled
- name: ft8_audio_high
id: variable
parameters:
comment: ''
value: 3000+(filter_shoulder/2)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [288, 164]
rotation: 0
state: enabled
- name: ft8_audio_low
id: variable
parameters:
comment: ''
value: 300-(filter_shoulder/2)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [176, 164]
rotation: 0
state: enabled
- name: ft8_center_freq
id: variable
parameters:
comment: ''
value: ft8_dial_freq-rtl_freq+(ft8_audio_center*ft8_usb_lsb)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [656, 164]
rotation: 0
state: enabled
- name: ft8_usb_lsb
id: variable
parameters:
comment: ''
value: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [776, 164]
rotation: 0
state: enabled
- name: rtl_samp_rate
id: variable
parameters:
comment: ''
value: '240000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [240, 28]
rotation: 0
state: enabled
- name: wspr_audio_bw
id: variable
parameters:
comment: ''
value: wspr_audio_high-wspr_audio_low
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [416, 100]
rotation: 0
state: enabled
- name: wspr_audio_center
id: variable
parameters:
comment: ''
value: int((wspr_audio_high-wspr_audio_low)/2+wspr_audio_low)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [520, 100]
rotation: 0
state: enabled
- name: wspr_audio_high
id: variable
parameters:
comment: ''
value: 1600+(filter_shoulder/2)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [288, 100]
rotation: 0
state: enabled
- name: wspr_audio_low
id: variable
parameters:
comment: ''
value: 1400-(filter_shoulder/2)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [176, 100]
rotation: 0
state: enabled
- name: wspr_center_freq
id: variable
parameters:
comment: ''
value: wspr_dial_freq-rtl_freq+(wspr_audio_center*wspr_usb_lsb)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [656, 100]
rotation: 0
state: enabled
- name: wspr_usb_lsb
id: variable
parameters:
comment: ''
value: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [776, 100]
rotation: 0
state: enabled
- name: blocks_multiply_const_vxx_0
id: blocks_multiply_const_vxx
parameters:
affinity: ''
alias: ''
comment: ''
const: audio_gain
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [786, 416]
rotation: 0
state: enabled
- name: blocks_multiply_const_vxx_0_0
id: blocks_multiply_const_vxx
parameters:
affinity: ''
alias: ''
comment: ''
const: audio_gain
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [786, 512]
rotation: 0
state: enabled
- name: freq_xlating_fir_filter_xxx_0
id: freq_xlating_fir_filter_xxx
parameters:
affinity: ''
alias: ''
center_freq: ft8_center_freq
comment: ''
decim: decimation
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: rtl_samp_rate
taps: firdes.complex_band_pass(1, rtl_samp_rate, -ft8_audio_bw/2, ft8_audio_bw/2,
filter_shoulder)
type: ccc
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [304, 392]
rotation: 0
state: enabled
- name: freq_xlating_fir_filter_xxx_0_0
id: freq_xlating_fir_filter_xxx
parameters:
affinity: ''
alias: ''
center_freq: wspr_center_freq
comment: ''
decim: decimation
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: rtl_samp_rate
taps: firdes.complex_band_pass(1, rtl_samp_rate, -wspr_audio_bw/2, wspr_audio_bw/2,
filter_shoulder)
type: ccc
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [304, 488]
rotation: 0
state: enabled
- name: ft8_dial_freq
id: parameter
parameters:
alias: ''
comment: ''
hide: none
label: FT8 Dial Frequency
short_id: ''
type: intx
value: '7074000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 176]
rotation: 0
state: enabled
- name: pad_sink_0
id: pad_sink
parameters:
affinity: ''
alias: ''
comment: ''
label: ft8
num_streams: '1'
optional: 'False'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [962, 416]
rotation: 0
state: enabled
- name: pad_sink_0_0
id: pad_sink
parameters:
affinity: ''
alias: ''
comment: ''
label: wspr
num_streams: '1'
optional: 'False'
type: float
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [964, 512]
rotation: 0
state: enabled
- name: pad_source_0
id: pad_source
parameters:
affinity: ''
alias: ''
comment: ''
label: RTL in
maxoutbuf: '0'
minoutbuf: '0'
num_streams: '1'
optional: 'False'
type: complex
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [127, 452]
rotation: 0
state: enabled
- name: rtl_freq
id: parameter
parameters:
alias: ''
comment: ''
hide: none
label: RTL center frequency
short_id: ''
type: intx
value: '7100000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 264]
rotation: 0
state: enabled
- name: ssb_demodulator_0
id: ssb_demodulator
parameters:
affinity: ''
alias: ''
center_freq: ft8_audio_center
comment: ''
local_samp_rate: audio_samp_rate
maxoutbuf: '0'
minoutbuf: '0'
usb_lsb: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [567, 400]
rotation: 0
state: enabled
- name: ssb_demodulator_1
id: ssb_demodulator
parameters:
affinity: ''
alias: ''
center_freq: wspr_audio_center
comment: ''
local_samp_rate: audio_samp_rate
maxoutbuf: '0'
minoutbuf: '0'
usb_lsb: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [567, 496]
rotation: 0
state: enabled
- name: wspr_dial_freq
id: parameter
parameters:
alias: ''
comment: ''
hide: none
label: WSPR Dial Frequency
short_id: ''
type: intx
value: '7038600'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 88]
rotation: 0
state: enabled
connections:
- [blocks_multiply_const_vxx_0, '0', pad_sink_0, '0']
- [blocks_multiply_const_vxx_0_0, '0', pad_sink_0_0, '0']
- [freq_xlating_fir_filter_xxx_0, '0', ssb_demodulator_0, '0']
- [freq_xlating_fir_filter_xxx_0_0, '0', ssb_demodulator_1, '0']
- [pad_source_0, '0', freq_xlating_fir_filter_xxx_0, '0']
- [pad_source_0, '0', freq_xlating_fir_filter_xxx_0_0, '0']
- [ssb_demodulator_0, '0', blocks_multiply_const_vxx_0, '0']
- [ssb_demodulator_1, '0', blocks_multiply_const_vxx_0_0, '0']
metadata:
file_format: 1