| 329 / | HD | DEMODULATORS |
| 315 | DF | FREQUENCY MODULATION DEMODULATOR {7} |
| 341 | ![]() | .~ Input signal converted to and processed in pulse form (e.g., pulse counter or digital type demodulator) {2} |
| 342 | DF | .~.~> Including discrete semiconductor device |
| 343 | DF | .~.~> Including digital logic circuitry |