HP 8340B Manual page 36

4-6. EXTERNAL LEVELING (Cont'd)
4. Repeat Step 3 for the remaining dBV values shown in Table 4-12.
S. Press the down step key to select 10 dB of attenuation (Option 001 and 005 instruments do not
include an internal attenuator. For these instruments install a 10 dB attenuator between the RF
output and detector).
6. Repeat Step 3 for values shown in Table 4-13.
7. Press the down step key to select 20 dB of attenuation (for Option 001 or 005 instruments, remove
10 dB attenuator installed in step 5 and replace it with a 20 dB attenuator).
8. Repeat Step 3 for values shown in Table 4-14.
dBV
Selected
—30
—40
dBV
Selected
—50
—60
—66
HP 8340B/41B
Table 4-13. External Leveling Limits (With 10 dB Attenuator)
Lower Limit
—29.65
—9.24
Table 4-14. External Leveling Limits (With 20 dB Attenuator)
Lower Limit
—2.785
—0.744
—0.273
DVM Indication (mV)
Ideal
—31.62
—10.00
DVM Indication (my)
Ideal
—3.162
—1.000
—0.501
Upper Limit
—33.70
—10.79
Upper Limit
—3.550
—1.259
—0.731
4-35
Performance Tests