Performance Ve rification
Check Bandwidth
This test check
s the bandwidth of a ll input channels.
1. Set up the oscilloscope using the following table:
Push menu button Select menu option Select setting
Default Setup
——
Channel 1
Probe 1X
Acquire Average 16
Trig Menu
Coupling
Noise Reject
Source Channel under test
Measure
Type Pk-Pk
2. Connect
the oscilloscope channel under test to the leveled sine wave generator
as shown in the following figure:
3. Set t
he oscilloscope Vertical Scale (volts/division) to 500 mV/div.
4. Set the oscilloscope Horizontal Scale (seconds/division) to 10 ms/div.
5. Set the leveled sine wave generator frequency to 50 kHz.
6. Set the leveled sine wave generator output level so the peak-to-peak
measurement is betwee n 2.98 V and 3 .02 V.
7. Set the leveled sine wave g enera tor frequency to:
150 MHz if you are checking a TBS1154 or TBS1152
100 MHz if you are checking a TBS1104 or TBS1102
60 MHz if you are checking a TBS1064 or TBS1062
40 MHz if you are checking a TBS1042
25 MHz if you are checking a TBS1022
8. Set the oscilloscope Horizontal Scale (seconds/division) to 10 ns/div.
9. Check t hat the peak-to-peak measurement is ≥ 2.12 V .
TBS1000 Series Oscilloscope Service Manual 4–5
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