PCS Cellular Amplifier

This amplifier uses two MRF19125 LDMOS power transistors to generate 80W CCS at 1900 MHz.

PCS Amplifier, small image

The Power RF Section

This shows the output transistor and it's tuning network.  It also shows the connectors for drain voltage and gate bias.

MRF19125 and tuning network

Control and Bias Board

This shows the second layer of the amp containing the power and bias connections to the RF board.

Control and bias board

Microprocessor Board

This shows the third layer of the amp containing the microprocessor.

Microprocessor control board