Anritsu 681XXC - Manual (Page 17)

Maintenance
Manual The Maintenance Manual supplies service informa-
tion for all models in the 681XXC series. The service
information includes functional circuit descriptions,
block diagrams, performance verification tests, cali-
bration procedures, troubleshooting data, and as-
sembly and component removal/replacement
procedures. The Anritsu part number for the Main-
tenance Manual is 10370-10336.
1-7
OPTIONS The following options are available.
Option 1, Rack Mounting. Rack mount kit containing a set of
track slides (90
° tilt capability), mounting ears, and front panel han-
dles for mounting the instrument in a standard 19-inch equipment
rack.
Option 2A, 110 dB Step Attenuator. Adds a 10 dB per step
attenuator with a 110 dB range for models having a high-end fre-
quency of
£20 GHz. Output power is selected directly in dBm on the
front panel (or via GPIB). Rated RF output power is reduced.
Option 2B, 110 dB Step Attenuator. Adds a 10 dB per step
attenuator with a 110 dB range for models having a high-end fre-
quency of
£40 GHz. Output power is selected directly in dBm on the
front panel (or via GPIB). Rated RF output power is reduced.
Option 2C, 90 dB Step Attenuator. Adds a 10 dB per step
attenuator with a 90 dB range for models having a high-end fre-
quency of
£50 GHz. Output power is selected directly in dBm on the
front panel (or via GPIB). Rated RF output power is reduced.
Option 2D, 90 dB Step Attenuator. Adds a 10 dB per step
attenuator with a 90 dB range for models having a high-end fre-
quency of
£60 GHz. Output power is selected directly in dBm on the
front panel (or via GPIB). Rated RF output power is reduced.
Option 2E, 120 dB Electronic Step Attenuator. Adds a 10 dB
per step electronic attenuator with a 120 dB range for models hav-
ing a high-end frequency of
£8.4 GHz. Output power is selected di-
rectly in dBm on the front panel (or via GPIB). Rated RF output
power is reduced.
Option 2F, 120 dB Electronic Step Attenuator. Adds a 10 dB
per step electronic attenuator with a 120 dB range for models hav-
ing a high-end frequency of
£20 GHz. Output power is selected di-
rectly in dBm on the front panel (or via GPIB). Rated RF output
power is reduced.
Option 9, Rear Panel RF Output. Moves the RF output connector
to the rear panel.
Option 11, 0.1 Hz Frequency Resolution. Provides frequency
resolution of 0.1 Hz.
1-6 681XXC OM
GENERAL
INFORMATION
OPTIONS