Using The Mixers With The 8566B Spectrum Analyzer; Set Up The Equipment - Agilent Technologies 11970 Series User Manual

Operation

Using the Mixers with the 8566B Spectrum Analyzer

Using the Mixers with the 8566B Spectrum Analyzer

Set up the equipment

1. Connect the external harmonic mixer to the spectrum analyzer, as shown in
Good-quality shielded SMA-type cables should be used to connect the mixer to the
NOTE
spectrum analyzer to ensure that no signal attenuation occurs. Agilent 5061-5458
SMA-type cables may be used. Do not over-tighten the cables; the maximum
torque should not exceed 112 N-cm (10 in-lb.).
Figure 2-17 External Mixer Connection
Before connecting the Agilent 11975A Amplifier, set the ALC switch to ON.
CAUTION
Failure to do so can damage the mixer.
2. Power up the spectrum analyzer and then the amplifier.
3. Adjust the amplifier power to 16 dBm.
4. To access the spectrum analyzer's millimeter bands, press
desired band is displayed on the screen, as shown in
important because toggling through the bands, causes the band to automatically harmonic lock as
evidenced by the on-screen annotation of "Harmonic 6" changing to "Harmonic 6L", where "L"
54
Figure
and then the up arrow ⇑ until the
SHIFT
Figure 2-18 on page 55. Note that this is
2-17.