id: apollo_bpsk_subcarrier_demod
label: Apollo BPSK Subcarrier Demod
category: '[Apollo USB]'
flags: [python]

parameters:
- id: subcarrier_freq
  label: Subcarrier Frequency (Hz)
  dtype: real
  default: '1024000'
- id: bandwidth
  label: Bandwidth (Hz)
  dtype: real
  default: '150000'
- id: bit_rate
  label: Bit Rate (bps)
  dtype: real
  default: '51200'
- id: sample_rate
  label: Sample Rate (Hz)
  dtype: real
  default: '5120000'
- id: decimation
  label: Decimation Factor
  dtype: int
  default: '1'
- id: loop_bw
  label: Loop Bandwidth
  dtype: real
  default: '0.045'

inputs:
- label: in
  domain: stream
  dtype: float

outputs:
- label: out
  domain: stream
  dtype: byte

templates:
  imports: from apollo import bpsk_subcarrier_demod
  make: >-
    apollo.bpsk_subcarrier_demod.bpsk_subcarrier_demod(
      subcarrier_freq=${subcarrier_freq},
      bandwidth=${bandwidth},
      bit_rate=${bit_rate},
      sample_rate=${sample_rate},
      decimation=${decimation},
      loop_bw=${loop_bw})

documentation: |-
  Apollo BPSK Subcarrier Demodulator

  Convenience block combining subcarrier extraction and BPSK demodulation.
  Extracts the 1.024 MHz BPSK PCM subcarrier from PM demod output and
  recovers the NRZ bit stream.

  This is equivalent to subcarrier_extract → bpsk_demod in series.

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