User`s guide

Chapter 3 127

Pass/Fail Limit (Specification) Descriptions

19. TXA FM Hum and Noise (dB)

This sets the pass/fail limits for the transmitter’s residual FM hum and

noise. Only the upper limit is used, which must be entered in dB.

Pass/fail limits are determined by using any applicable standard such

as:

• EIA/TIA Standard: FM Hum and Noise

Example

If you desire that FM hum and noise should be at least 32 dB below the

level of a 1 kHz tone at

±8 kHz deviation, enter −32as the Upper Limit.