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General| Brand | Kenwood |
|---|---|
| Model | TH-22A |
| Category | Transceiver |
| Language | English |
Step-by-step guide to remove the transceiver's outer casing.
Instructions for detaching internal electronic units from the chassis.
Procedure for safely extracting the main circuit board.
Explains the architecture and components of the receiver section.
Explains the functions and components related to signal transmission.
Details the audio signal amplification from the microphone.
Explains how audio signals are used to modulate the carrier wave.
Describes the stages that amplify the signal before transmission.
Explains the switching mechanism between transmit and receive modes.
Covers automatic power control and transmission output selection.
Explains the circuit that prevents overheating.
Explains the phase-locked loop system for frequency control.
Details the power supply systems and battery charging.
Lists essential test equipment for calibration and adjustments.
Common adjustments for transmit and receive functions.
Procedures for tuning the phase-locked loop synthesizer.
Specific adjustments for transmitter performance.
Procedures for optimizing receiver performance.
General parameters like frequency, mode, voltage, and dimensions.
Technical details of the transmitter section.
Technical details of the receiver section.
