Demonstrating the effect of a Throttle block

Adapted from GNU Radio's own example (gr-blocks/examples/demonstrate_throttle.grc).
Author Marcus Müller
Category Blocks
Blocks 10
Connections 7
File blocks/demonstrate_throttle.grc
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Blocks used

Block	Module	Used
Probe Rate	`GNU Radio`	2
QT GUI Time Sink	`GNU Radio`	2
Signal Source	`GNU Radio`	2
Variable	`GNU Radio`	2
Message Debug	`GNU Radio`	1
Throttle	`GNU Radio`	1
Flowgraph source

blocks/demonstrate_throttle.grc
options:
  parameters:
    author: "Marcus M\xFCller"
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: '2023'
    description: Adapted from GNU Radio's own example (gr-blocks/examples/demonstrate_throttle.grc).
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: demonstrate_throttle_path
    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: Demonstrating the effect of a Throttle block
    window_size: (1000,1000)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [10, 10]
    rotation: 0
    state: enabled
blocks:
- name: blocks_message_debug_0
  id: blocks_message_debug
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    en_uvec: 'True'
    log_level: info
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [700, 210]
    rotation: 0
    state: enabled
- name: blocks_probe_rate_0
  id: blocks_probe_rate
  parameters:
    affinity: ''
    alias: ''
    alpha: '0.5'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    mintime: '1000'
    name: Before Throttle
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [290, 200]
    rotation: 0
    state: enabled
- name: blocks_probe_rate_0_0_0
  id: blocks_probe_rate
  parameters:
    affinity: ''
    alias: ''
    alpha: '0.5'
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    mintime: '1000'
    name: No Throttle
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [290, 340]
    rotation: 0
    state: enabled
- name: blocks_throttle2_0
  id: blocks_throttle2
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    limit: time
    maximum: 1/50
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: samp_rate
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [290, 460]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_0
  id: qtgui_time_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'
    axislabels: 'False'
    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'
    entags: 'True'
    grid: 'False'
    gui_hint: '[0,0]'
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'False'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: Throttled
    nconnections: '1'
    size: int(samp_rate/25)
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: 1/25
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: '""'
    ymax: '1'
    ymin: '-1'
    yunit: '""'
    samp_rate: samp_rate
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [290, 600]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_0_0
  id: qtgui_time_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'
    axislabels: 'False'
    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'
    entags: 'True'
    grid: 'False'
    gui_hint: '[1,0]'
    label1: Signal 1
    label10: Signal 10
    label2: Signal 2
    label3: Signal 3
    label4: Signal 4
    label5: Signal 5
    label6: Signal 6
    label7: Signal 7
    label8: Signal 8
    label9: Signal 9
    legend: 'False'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: Unthrottled
    nconnections: '1'
    size: int(samp_rate/25)
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: 1/25
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: '""'
    ymax: '1'
    ymin: '-1'
    yunit: '""'
    samp_rate: samp_rate
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [290, 740]
    rotation: 0
    state: enabled
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: 50e3
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [580, 10]
    rotation: 0
    state: enabled
- name: throttled_source
  id: analog_sig_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    phase: '0'
    samp_rate: samp_rate
    showports: 'False'
    type: complex
    waveform: analog.GR_COS_WAVE
    frequency: wave_freq
    amplitude: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [10, 190]
    rotation: 0
    state: enabled
- name: unthrottled_source
  id: analog_sig_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    phase: '0'
    samp_rate: samp_rate
    showports: 'False'
    type: complex
    waveform: analog.GR_COS_WAVE
    frequency: wave_freq
    amplitude: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [10, 330]
    rotation: 0
    state: enabled
- name: wave_freq
  id: variable
  parameters:
    comment: ''
    value: '26'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [750, 10]
    rotation: 0
    state: enabled
connections:
- [blocks_probe_rate_0, rate, blocks_message_debug_0, log]
- [blocks_probe_rate_0_0_0, rate, blocks_message_debug_0, log]
- [throttled_source, '0', blocks_probe_rate_0, '0']
- [throttled_source, '0', blocks_throttle2_0, '0']
- [throttled_source, '0', qtgui_time_sink_x_0, '0']
- [unthrottled_source, '0', blocks_probe_rate_0_0_0, '0']
- [unthrottled_source, '0', qtgui_time_sink_x_0_0, '0']
metadata:
  file_format: 1
  grc_version: v3.11.0.0git-499-g5eee613e