Service manual

22 Agilent 8494/95/96A/B Attenuators Operating and Service Manual
3Operating Guides
Operating Instructions
After the instrument is connected, the attenuation may be selected.
Turn counterclockwise to increase attenuation or clockwise to
decrease attenuation. Either connector may be used as the input
or output. Table 8 lists the attenuator switching order.
CAUTION
Do not apply RF power greater than 1 W average, or 100 W peak with a
maximum pulse width of 10 microseconds. If these limits are exceeded, the
attenuators may be damaged.
Table 8 Attenuator Switching Order
8494A/B Attenuator Sections 8495A/B Attenuator Sections 8496A/B Attenuator Sections
Atten
(dB)
1
1 dB
2
2 dB
3
4 dB
4
4 dB
Atten
(dB)
1
10 dB
2
20 dB
3
40 dB
Atten
(dB)
1
10 dB
2
20 dB
3
40 dB
4
40 dB
0 0 0
1 × 10 × 10 ×
2 × 20 × 20 ×
3 ×× 30 ×× 30 ××
4 × 40 × 40 ×
5 ××50 ××50 ××
6 ×× 60 ××60 ××
7 ××× 70 ×××70 ×××
8 ×× 80 ××
9 ××× 90 ×××
10 ××× 100 ×××
11 ×××× 110 ××××