Equipment; Procedure - HP 8112A Operating, Programming And Servicing Manual

Test Setup 2

Equipment

Procedure

8-22 Testing Performance
Figure 8-14. Output Mode Verification Test
Oscilloscope (HP 54121T)
n
Counter (HP 5335A)
n
Cable Assembly BNC (2
n
Attenuator 20 dB, 2 W (2 x)
n
n
(required if counter input impedance 2 50R
1. Connect the equipment as shown in the setup 1 figure
2. Set up the HP 8112A as follows:
Trigger Mode
Control Mode
Transition
BUR
P E R
DEL
D T Y
Complement Output
HIL
Limit Mode
3. Verify that the output signal is inverted by pressing the (GGK]
key.
4. Deselect the (COMPL) key.
5. Verify that the @iZZK) key disables the output signal.
6. Re-enable the output signal.
7. Change Limit mode to ON
8. Press the (KJ key and verify that the vernier keys do not
increase the HIL beyond the t2.0 V as set previously.
9. Press the IDOL) key and verify that the vernier keys do not
decrease the LOL below the -2.0 V as set previously.
10. Reconnect the equipment as setup 2. (use the 5Oa feedthrough if
Counter (HP 5335A)
)
X
NORM
Off
Fixed
472
1.0 /Ls
65 ns
25%
Off
2.0 v
-2.0 v
Off