Agilent Technologies HP8648A Weather Radio User Manual


 
AM Transmitters
126
Measurement Procedure:
1. Connect the Transmitter as shown.
CAUTION: The RF present at the Test Set RF IN/OUT connector must not exceed 60W
continuous (or 100 Watts for 10 sec/minute).
On the Test Set:
2. Press the PRESET key.
3. Press the TX key.
Using the knob and data keys:
4. Set AF Anl In to AM Demod.
5. Set Filter 1 to 300 Hz HPF.
6. Set Filter 2 to 3 kHz LPF.
On the Radio:
7. Key the Transmitter and keep keyed until the remaining steps are
completed
On the Test Set using the knob and data entry keys:
8. Set AFGen1 Lvl so that displayed AM depth is 30%.
On the Test Set Microphone Sensitivity is shown as AFGen1 Lvl.
Special Test Considerations
See "Incidental Audio" on page 46.