Agilent Technologies HP8648A Manuel d'utilisateur télécharger pdf (Page 127)

100

101

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.

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Agilent Technologies HP8648A Manuel d'utilisateur Page 127

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