FM_receiver.grc

options:
  parameters:
    author: Barry Duggan
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: FM_receiver
    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: Broadcast FM receiver
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 12.0]
    rotation: 0
    state: enabled

blocks:
- name: audio_decim
  id: variable
  parameters:
    comment: ''
    value: '8'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [520, 12.0]
    rotation: 0
    state: true
- name: deviation
  id: variable
  parameters:
    comment: ''
    value: '75000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [432, 12.0]
    rotation: 0
    state: enabled
- name: interp
  id: variable
  parameters:
    comment: ''
    value: '384'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [352, 12.0]
    rotation: 0
    state: true
- name: rf_decim
  id: variable
  parameters:
    comment: ''
    value: '1000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 12.0]
    rotation: 0
    state: true
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '384000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 12.0]
    rotation: 0
    state: enabled
- name: volume
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: Volume
    min_len: '200'
    orient: Qt.Vertical
    rangeType: float
    start: '0'
    step: '0.05'
    stop: '1.0'
    value: '0.3'
    widget: slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [656, 52.0]
    rotation: 0
    state: enabled
- name: analog_fm_demod_cf_0
  id: analog_fm_demod_cf
  parameters:
    affinity: ''
    alias: ''
    audio_decim: audio_decim
    audio_pass: '16000'
    audio_stop: '20000'
    chan_rate: samp_rate
    comment: ''
    deviation: deviation
    gain: '1.0'
    maxoutbuf: '0'
    minoutbuf: '0'
    tau: 75e-6
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 148.0]
    rotation: 0
    state: true
- 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: [824, 196.0]
    rotation: 0
    state: true
- name: blocks_file_source_0
  id: blocks_file_source
  parameters:
    affinity: ''
    alias: ''
    begin_tag: pmt.PMT_NIL
    comment: Simulation of RF hardware
    file: /home/barry/Downloads/fm_101.8MHz_1Msps.cfile
    length: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    repeat: 'True'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [40, 164.0]
    rotation: 0
    state: true
- name: blocks_multiply_const_vxx_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: Volume
    const: volume
    maxoutbuf: '0'
    minoutbuf: '0'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [656, 196.0]
    rotation: 0
    state: enabled
- name: rational_resampler_xxx_0
  id: rational_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: rf_decim
    fbw: '0'
    interp: interp
    maxoutbuf: '0'
    minoutbuf: '0'
    taps: ''
    type: ccc
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 172.0]
    rotation: 0
    state: true

connections:
- [analog_fm_demod_cf_0, '0', blocks_multiply_const_vxx_0_0, '0']
- [blocks_file_source_0, '0', rational_resampler_xxx_0, '0']
- [blocks_multiply_const_vxx_0_0, '0', audio_sink_0, '0']
- [rational_resampler_xxx_0, '0', analog_fm_demod_cf_0, '0']

metadata:
  file_format: 1