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General| Type | HF/50MHz Transceiver |
|---|---|
| RF Output Power (SSB/CW/FM) | 100 W |
| Modes | SSB, CW, AM, FM, Digital |
| Receiver Sensitivity (SSB, CW) | 0.16 μV (10 dB S/N) |
| Power Supply | 13.8 V DC |
Specifies modes (SSB, CW, AM) and supported amateur radio bands.
Details maximum input power for modes and frequency stability after warmup.
Specifies acceptable distortion levels and receiver sensitivity.
Details selectivity, image rejection, audio output, and physical dimensions.
Explains the block diagram and circuit description of the transceiver.
Describes the RF amplifier, mixers, and filters in the receiver circuit.
Explains sideband generation, crystal filter, and IF amplifier stages.
Describes the driver, final amplifier, and pi-section output network.
Explains the ALC circuit for modulation control.
Details crystal oscillators for crystal control and band setting.
Explains the VFO circuit using silicon transistors and varactor diodes.
Recommends placement for adequate space and air circulation.
Specifies the importance of a good ground connection.
Discusses impedance matching for antenna and feeder connections.
Step-by-step guide for pre-tuning the transmitter.
Warning on tube damage and steps for final transmitter peaking.
Critical safety warning and required test equipment for servicing.
Detailed steps for transmitter alignment procedures.
Detailed steps for receiver alignment.
Possible causes for unstable PA idling current and insufficient load.
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