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General| Frequency Range | VHF: 136-174 MHz |
|---|---|
| Channel Spacing | 12.5kHz/20kHz/25kHz |
| Operating Temperature | -30℃ ~ +60℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Output Power | UHF: 4W; VHF: 5W |
Details the power control mechanisms, on/off functions, and protection circuits.
Describes the control section, including the OMAP processor and various interfaces.
Provides a flowchart for troubleshooting issues related to the baseband circuit.
Describes the GPS circuit functionality and signal path.
Provides a flowchart for troubleshooting GPS circuit issues.
Details the transmitter circuit composition: RF power amplifier, low-pass filter, and APC.
Describes the receiver circuit components including RF filters, amplifiers, and processors.
Explains the FGU composition, VCO, PLL, and their principles of operation.
Provides a flowchart for troubleshooting the receiver circuit.
Details the transmitter circuit composition: RF power amplifier, low-pass filter, and APC.
Describes the receiver circuit components including RF filters, amplifiers, and processors.
Explains the FGU composition, VCO, PLL, and their principles of operation.
Provides a flowchart for troubleshooting the receiver circuit.
Details the transmitter circuit composition: RF power amplifier, low-pass filter, and APC.
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