ATSC Transmitter Demo

options:
  parameters:
    author: ''
    category: Custom
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: Adapted from GNU Radio's own example (gr-dtv/examples/file_atsc_tx.grc). Driven by a random byte source instead
      of the advatsc.ts capture, and the virtual sink/source pair is inlined.
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: file_atsc_tx
    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: ATSC Transmitter Demo
    window_size: 1280, 1024
  states:
    coordinate: [10, 10]
    rotation: 0
    state: enabled
blocks:
- name: blocks_file_sink_0
  id: blocks_file_sink
  parameters:
    affinity: ''
    alias: ''
    append: 'False'
    comment: ''
    file: atsc.cfile
    type: complex
    unbuffered: 'False'
    vlen: '1'
  states:
    coordinate: [820, 500]
    rotation: 0
    state: enabled
- name: blocks_file_source_0
  id: analog_random_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    type: byte
    min: '0'
    max: '256'
    repeat: 'True'
    num_samps: '10000'
  states:
    coordinate: [10, 130]
    rotation: 0
    state: enabled
- name: blocks_keep_m_in_n_0
  id: blocks_keep_m_in_n
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    m: '832'
    maxoutbuf: '0'
    minoutbuf: '0'
    n: '1024'
    offset: '4'
    type: byte
  states:
    coordinate: [700, 320]
    rotation: 0
    state: enabled
- name: blocks_rotator_cc_0
  id: blocks_rotator_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    phase_inc: ((-3000000.0 + pilot_freq) / symbol_rate) * (math.pi * 2)
  states:
    coordinate: [1320, 330]
    rotation: 0
    state: enabled
- name: blocks_throttle_0
  id: blocks_throttle2
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: symbol_rate
    type: complex
    vlen: '1'
    limit: time
    maximum: '0.1'
  states:
    coordinate: [430, 490]
    rotation: 0
    state: enabled
- name: blocks_vector_to_stream_1
  id: blocks_vector_to_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: '1024'
    type: byte
    vlen: '1'
  states:
    coordinate: [410, 330]
    rotation: 0
    state: enabled
- name: center_freq
  id: variable
  parameters:
    comment: ''
    value: 429e6
  states:
    coordinate: [590, 10]
    rotation: 0
    state: enabled
- name: dtv_atsc_field_sync_mux_0
  id: dtv_atsc_field_sync_mux
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [80, 330]
    rotation: 0
    state: enabled
- name: dtv_atsc_interleaver_0
  id: dtv_atsc_interleaver
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [1130, 150]
    rotation: 0
    state: enabled
- name: dtv_atsc_pad_0
  id: dtv_atsc_pad
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [300, 150]
    rotation: 0
    state: enabled
- name: dtv_atsc_randomizer_0
  id: dtv_atsc_randomizer
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [540, 150]
    rotation: 0
    state: enabled
- name: dtv_atsc_rs_encoder_0
  id: dtv_atsc_rs_encoder
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [840, 150]
    rotation: 0
    state: enabled
- name: dtv_atsc_trellis_encoder_0
  id: dtv_atsc_trellis_encoder
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    coordinate: [1420, 150]
    rotation: 0
    state: enabled
- name: dtv_dvbs2_modulator_bc_0
  id: dtv_dvbs2_modulator_bc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: MOD_8VSB
    framesize: FECFRAME_NORMAL
    interpolation: INTERPOLATION_OFF
    maxoutbuf: '0'
    minoutbuf: '0'
    rate1: C1_4
    rate2: C1_5_MEDIUM
    rate3: C1_4
  states:
    coordinate: [950, 290]
    rotation: 0
    state: enabled
- name: fft_filter_xxx_0
  id: fft_filter_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    samp_delay: '0'
    taps: firdes.root_raised_cosine(0.11, symbol_rate, symbol_rate/2, 0.1152, 200)
    type: ccc
  states:
    coordinate: [80, 500]
    rotation: 0
    state: enabled
- name: pilot_freq
  id: variable
  parameters:
    comment: ''
    value: (6000000.0 - (symbol_rate / 2)) / 2
  states:
    coordinate: [760, 10]
    rotation: 0
    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'
    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: center_freq
    fftsize: '1024'
    freqhalf: 'True'
    grid: 'False'
    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: 'True'
    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_BLACKMAN_hARRIS
    ymax: '10'
    ymin: '-140'
    samp_rate: symbol_rate
  states:
    coordinate: [820, 620]
    rotation: 0
    state: enabled
- name: symbol_rate
  id: variable
  parameters:
    comment: ''
    value: 4500000.0 / 286 * 684
  states:
    coordinate: [1050, 10]
    rotation: 0
    state: enabled
connections:
- [blocks_file_source_0, '0', dtv_atsc_pad_0, '0']
- [blocks_keep_m_in_n_0, '0', dtv_dvbs2_modulator_bc_0, '0']
- [blocks_rotator_cc_0, '0', fft_filter_xxx_0, '0']
- [blocks_throttle_0, '0', blocks_file_sink_0, '0']
- [blocks_throttle_0, '0', qtgui_freq_sink_x_0, '0']
- [blocks_vector_to_stream_1, '0', blocks_keep_m_in_n_0, '0']
- [dtv_atsc_field_sync_mux_0, '0', blocks_vector_to_stream_1, '0']
- [dtv_atsc_interleaver_0, '0', dtv_atsc_trellis_encoder_0, '0']
- [dtv_atsc_pad_0, '0', dtv_atsc_randomizer_0, '0']
- [dtv_atsc_randomizer_0, '0', dtv_atsc_rs_encoder_0, '0']
- [dtv_atsc_rs_encoder_0, '0', dtv_atsc_interleaver_0, '0']
- [dtv_atsc_trellis_encoder_0, '0', dtv_atsc_field_sync_mux_0, '0']
- [dtv_dvbs2_modulator_bc_0, '0', blocks_rotator_cc_0, '0']
- [fft_filter_xxx_0, '0', blocks_throttle_0, '0']
metadata:
  file_format: 1