138 Chapter2
Adjustment Procedures: HP 3335A Source not Available
4a. IF Amplitude Adjustments
6. On the spectrum analyzer, reconnect W29 to A5J3. Press PRESET
and set the controls as follows:
Center frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 MHz
Span . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 Hz
Reference level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−10 dBm
Resolution BW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300 kHz
7. Connect a BNC cable between the spectrum analyzer CAL OUTPUT
and INPUT 50Ω.
8. On the spectrum analyzer, press
MKR, CAL, and REF LVL ADJ.
9. Use the knob or step keys to adjust the REF LEVEL CAL setting
until the MKR reads −10.00 dBm ±0.1 dB.
10.On the spectrum analyzer, press
STORE REF LVL.
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