Selecting the proper attenuator. The ATI input has a maximum voltage range of 300 mV
FS
. Use of an attenuator can increase
the maximum voltage range.
Table 1: Maximum ATI voltage range
Attenuator Maximum ATI voltage range
None 300 mV
FS
3 dB 420 mV
FS
6 dB 600 mV
FS
10 dB 950 mV
FS
16 dB (6 dB + 10 dB attenuators) 1.88 V
FS
20 dB 3 V
FS
Connector cleaning. All connectors must be kept clean. Dirt in connectors can damage the connector and any connectors the
dirty connector is used with. Dirt will also likely impair the RF performance. All cables, attenuators, and adapters should be stored
with connector covers to keep dust out.
Before each use do the following:
1. Verify that the connectors are free of dirt,
metal particles, scratches and
deformations.
2. Verify the connectors are the correct size.
WARNING. To avoid eye damage, ware
eye protection when using compressed
air.
3. With the connector pointed down, use low
pressure compressed air, at an angle to
the connector, to clean the connectors.
4. If the connector still needs cleaning, use
an appropriately sized swab moistened
with isopropyl alcohol to clean the
connector threads and mating surfaces.
Do not snag the center conductor.
CAUTION. Never put pressure on the
center pin of the connectors. Applying
pressure to the center pin could damage
the connector.
About Tektronix oscilloscopes
36 DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series
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