Pin Switch - Tait TM9100 Service Manual

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memory that is played back at the correct rate to the DAC to produce the

desired waveform. The ramp-up and ramp-down waveforms are produced

by playing back the look-up table in forward and reverse order respectively.

For a given power level the look-up table values are scaled by a steady-state

power constant so that the ramp waveform shape remains the same for all

power levels.

The RF PIN switch circuitry selects the RF path to and from the antenna

PIN Switch

to either the Tx or Rx circuitry of the radio. In addition to the switching

functionality, the PIN switch is used to provide attenuation to the Rx front

end in high signal-strength locations.

TM9100 Service Manual