R&S M3SR Series 4100 HF Transceivers Test of Specification
6124.9007.82.01 3.10
6.2 Switch to LSB audio source via remote ISB
Select.
By using the audio analyzer, check the AF
signal between contacts 1 and 2 and
between contacts 1 and 3 of HEADPHONE
connector (X6).
Frequency: 750 Hz
AF level: 3.4 V
R
MS
(+3 / -2 dB) at 600
Ω
Distortion: < 5 %
6.3 Check the AF signal between X26.11/.41. Frequency: 1 kHz
AF level: 0 dBm (±1 dB) at 600
Ω
Distortion: < 1 %
SINAD: > 30 dB
6.4 Check the AF signal between X26.13/.43. Frequency: 750 Hz
AF level: 0 dBm (±1 dB) at 600
Ω
Distortion: < 1 %
SINAD: > 30 dB
7 Transmitter - Output Power
7.1 Instead of signal generator connect the
power meter to HF output X30 (ANTENNA).
Connect the headset with PTT key to HEAD-
SET connector (X7) at the transceiver front
panel.
Set transceiver to modulation F3E. No
modulating signal at audio input X26.10/.40
of transceiver.
Set HF power to maximal power. Press PTT
key on headset.
Check state of LED RF.
LED RF is illuminated.
No. Activity Nominal Value
To Next Page
Loading...
