Handles the initial signal generation and modulation via DSP. It ensures frequency stability using a high-precision TCXO (Temperature Compensated Crystal Oscillator). Power Amplifier (PA) Unit:
: Covers initial configuration, such as entering the vessel's Maritime Mobile Service Identity (MMSI) number and calibrating transmission output. Circuitry & Hardware Descriptions Samyung Srg-150 Dn Service Manual
If you need the actual technical documents to fix or install one, here are the most reliable spots to find them: The Service Manual: Handles the initial signal generation and modulation via DSP