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General| Input voltage | 13.8 V |
|---|---|
| Mounting kit | Yes |
| Product type | Portable CB radio |
| Product color | Black |
| Housing material | - |
| Frequency range | 10 - 20000 MHz |
| Channels quantity | 1052 channels |
Weight and Dimensions| Depth | 198.12 mm |
|---|---|
| Width | 149.86 mm |
| Height | 40.64 mm |
Critical safety warnings for transceiver operation, including power supply and environmental hazards.
Information on how to order replacement parts, including required details for accurate fulfillment.
Important guidelines and precautions for servicing the transceiver, emphasizing safe disassembly and adjustment.
Overview of general specifications including frequency coverage for different models.
Technical specifications related to the transmitter function, including power and modulation.
Technical specifications related to the receiver function, including sensitivity and selectivity.
Internal component layout and identification for the main unit's circuit board.
Internal component layout and identification for the control unit's circuit board.
Step-by-step guide for removing the unit's outer covers.
Procedure for safely disconnecting and removing the main internal unit.
Steps for taking apart the control unit, including knob and panel removal.
Detailed description of the transceiver's receive signal path and RF circuits.
Explanation of the first intermediate frequency stage for signal processing.
Description of the second IF stage and signal demodulation process for FM, AM, and DV.
How FM signals are demodulated and processed through quadrature detection.
How AM signals are demodulated and processed.
How Digital Voice signals are demodulated and converted to audio.
Details on audio frequency filtering and response, including AF filter and volume control.
Description of the audio power amplification stage for internal and external speakers.
Audio signal processing for the transmitter, including pre-emphasis and splatter circuits.
Conversion of audio signals for digital transmission, including DSP and AMBE encoding.
How audio signals modulate the carrier wave via VCOs.
Amplification stages for VHF band transmissions, including drive and power amplifiers.
Automatic Power Control for VHF band output, maintaining stable power levels.
Amplification stages for UHF band transmissions, including drive and power amplifiers.
Automatic Power Control for UHF band output, maintaining stable power levels.
Description of Voltage Controlled Oscillators for frequency generation in VHF and UHF bands.
Phase-Locked Loop circuits for frequency stability and control of transmit and receive LO.
Mapping of CPU pins to their functions and I/O directions for control and data transfer.
Overview of power distribution and voltage regulation within the main and control units.
Required instruments and setup procedures for performing calibration adjustments.
How to connect test equipment like SSG and analyzers for calibration.
Procedure for accessing the transceiver's adjustment mode via button combination.
Procedure for exiting the adjustment mode safely and storing settings.
Steps for adjusting frequency and transmit power levels for VHF and UHF bands.
Adjusting FM deviation for VHF band analog signals, including deviation and balance.
Adjusting FM deviation for UHF band analog signals, including deviation and balance.
Adjusting deviation for digital voice (DV) signals for both VHF and UHF bands.
Calibrating the unit's sensitivity to incoming radio signals across various frequency bands.
Procedure for adjusting the S-meter for accurate signal strength indication.
Setting the squelch threshold for noise muting on various bands.
List of electronic components and parts used in the control unit assembly.
List of electronic components and parts used in the main unit assembly.
List of chassis-related mechanical components for the transceiver.
List of mechanical parts for the main unit assembly.
List of included accessories provided with the transceiver.
Visual layout of components on the control unit's top PCB.
Visual layout of components on the main unit's top PCB.
Visual layout of components on the control unit's bottom PCB.
Visual layout of components on the main unit's bottom PCB.
Block diagram illustrating the main unit's functional interconnections and signal flow.
Block diagram illustrating the control unit's functional interconnections and signal flow.
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