HP 8712C User Manual

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Using Instrument Functions
Using limit Testing
To Create a Sloping Limit Line
A sloping limit line has different values for its begin and end limits. For
example, create a sloping limit line between 130 MHz and 155 MHz with a
beginning level of -35 dB and an ending level of -3 dB.
1. Press Prior Menu Add Limit Add Min Liao Biagfn Fmqumcy
2. Press End Frequency 1155) MHZ .
3- Press Bagin Limit (--35_) Enter.
4. Press Erzd Limit 1--3) Enter.
NOTE
When creating limit lines, you can enter frequency and limit values using the front panel knob or the
@ @ keys as well as the numeric keypad.
Figure 4-16 shows limit lines created that dictate the specified shape of a
bandpass titer. In this example, a Elter was connected, and tuned to fall
within the created limit lines. The pass/fail indicator gives constant feedback
regarding status.
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HP 8712C Specifications

General

Brand	HP
Model	8712C
Category	Measuring Instruments
Language	English