HP 11757B Manual - Página 25

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Digital Radio Testing

Measurement Setup

1-22

AGC power over. Press

this is set to. Use the arrow or data entry keys to

set a value. Use a value close to the radio's channel

bandwidth, then press

10. The display should now read \

allows you to set the wait time after every notch

movement. This wait allows your radio some settling

time before a Bit Error Rate measurement is made

by the Fader. Press

set to. Use the arrow or data entry keys to set a new

value if desired, then press

11. The display should now read \

allows you to set the notch's maximum slew rate

during measurements. Press

value this is set to. Use the arrow or data entry keys

to set a new value if desired, then press

12. The display should now read \

This feature is not available for Dynamic S-Curve

measurements. The radio setup is now complete.

1. Press

4 MEAS SETUP 5

parameters to enter to set the Fader up for a

measurement.

2. The rst item displayed under

". This species the number of linearly

DATA PTS

spaced rates to calculate and measure in the band

you have selected. Press

the arrow or data keys to enter a value, then press

to get the next parameter. 11 is a good

4 ENTER 5

value to enter to keep the measurement time down.

3. The second and third items will be \

and \

2 STOP FRQ

frequencies for the notch. Press

STRT FR, then use the arrow or data keys to set a

value in MHz (use 45 for this example), then press

to see what value

4 ENTER 5

7 WAIT TIME

to see what value this is

4 ENTER 5

8 MAX SLEW

to see what

4 ENTER 5

9 SYMBL TIME

. This will access a series of

4 MEAS SETUP 5

to access, then use

4 ENTER 5

1 STRT FRQ

". These access the start and stop

to access

4 ENTER 5

HP 11757B

". This

is \