Performance Tests
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
4-73
Equipment
required
Two dual-banana connectors (Item 5)
One BNC T connector (Item 6)
One 10X attenuator (Item 1)
One DC calibrat ion generator (Item 9)
One SMA male-to-female BNC adapter (Item 19)
Two precision 50 Ω coaxial cables (I tem 4)
Prerequisites The instrument must meet the prerequisites l isted on page 4--17
WARNING. The generator is capable of outputting dangerous voltages. Be sure to
set the DC calibration generator to off or 0 volts before connecting, disconnect-
ing, and/or moving the test hookup during the performance of this procedure.
Also, check that the calibrator does not have shorting straps installed between
the DC output, sense input, or grounds.
1. Install the test hookup and preset the instrument controls:
a. Hook up the test-signal source:
H Set the output of a DC calibration generator to off or 0 volts.
H Connect the output of a DC calibration generator through a
dual-banana connector followed by a 50 Ω precision coaxial cable to
one side of a BNC T connector. See Figure 4--13.
H Connect the Sense input of the generator through a second dual-ba-
nana connector followed by a 50 Ω precision coaxial cable to the
other side of the BNC T connector. Now connect the BNC T
connector to CH 1 through a 10X attenuator and an adapter. See
Figure 4--13.
Check Maximum Input
Voltage
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