)&)$% *+*
)-" %,#
4Ć27
" ! )(,%. Ċ The following steps check trigger sensitivity at
150ĂMHz (TAS 465).
1. Remove the 10X attenuator from the test setup. Reconnect as shown in
Figure 4Ć14.
Sine Wave Generator
Precision Cable
50 W Terminations
DualĆinput
Coupler
" ,) 0/)" ) %*"+"-"+. *+ +,' !)
2. Set the volts/div scale to 1 V.
3. Adjust the sine wave generator amplitude for a one division display at
25 MHz.
4. Set the sine wave generator frequency as follows:
H TAS 465 Ċ 150 MHz
5. Press the button.
6. Set to .
7. Press the button and confirm a stable display.
8. Add a 10X attenuator to the test setup as shown in Figure 4Ć15.
10X Attenuator
Sine Wave Generator
50 W Terminations
DualĆinput
Coupler
Precision Cable
" ,) 0/)" ) %*"+"-"+. *+ +,' &,)
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