User's Guide

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 935 MHz 3-7
the synthesizer will result in unlocked operation. The tuning range capability of all synthesizer
models is listed in the Specifications section of this manual.
3.5.5.6 Reference Frequency Alignment
Adjust the synthesizer TCXO fine frequency potentiometer RV1 until the correct output
frequency is achieved
. Access to this potentiometer is through an opening in the synthesizer top
cover
. A RF power level of approximately +5 dBm should be measured at the synthesizer
module output connector and the frequency should be within ±1 ppm of the desired operating
frequency
. Reference frequency adjustments should be made at room temperature (+25°C) after
a ten minute stabilization period.