Reference
370B User Manual
8. Close the protective cover.
9. Change the following 370B settings:
Collector Supply POLARITY + LEAKAGE
VERTICAL CURRENT/DIV 1 nA EMITTER
10. Set the OUTPUTS breaker to the ENABLED position.
11. Turn the VARIABLE COLLECTOR SUPPLY control clockwise and note
the emitter leakage current display with the base terminal open.
12. Set the CONFIGURATION to BASE = SHORT (EMITTER),
EMITTER = COMMON and note the emitter leakage current display with
the base terminal shorted to ground.
13. Observe that the Memory Index is set to 2, then press the Setup RECALL
button.
14. Change the following 370B setting:
CONFIGURATION BASE = COMMON
EMITTER = STEPGEN
15. Turn the VARIABLE COLLECTOR SUPPLY control and STEP
AMPLITUDE control to display the common-base characteristic curves of
the transistor (see Figure 3–16).
16. Set the OUTPUTS breaker to the DISABLED position, then open the
protective cover. Reconnect the patch cord between the STEP GEN OUT
connector and the EXT BASE or EMITTER IN connector.
17. Close the protective cover.
18. Change the following 370B setting:
CONFIGURATION BASE = COMMON
EMITTER = OPEN (EXT)
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