HP 11757B Handbuch - Seite 41

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HP 11757B Handbuch
Digital Radio Testing

Bit Error Rate Test

Note
Equipment Setup
1-38
In the bit error rate test the Fader monitors the ERROR
PULSE INPUT and measures the bit error rate for
approximately 1 second. When started using the
key, this test runs continuously until the
key is pressed.
Some radios have their own internal error checking
scheme. This would eliminate the need for a BERT in
bit error rate checking.
Figure 1-7. Bit Error Rate Test Setup
1. Connect the Fader, Digital Radio, and BERT if used
as shown in gure 1-7.
2. Press
4 MEAS TYPE 5
shows
, then press
BER
4 PRESET/LOCAL 5
. Use the
key until the display
485
.
4 ENTER 5
HP 11757B
4 MEAS 5