Operating Basics
2-26
370B User Manual
AUX OUT. This is the Auxiliary Supply Output Terminal.
EXT BASE or EMITTER IN. The EXT BASE or EMITTER allows the input of an
externally generated signal to either the base terminals or emitter terminals of the
device as determined by the CONFIGURATION controls.
CONFIGURATION. The CONFIGURATION buttons select BASE EMITTER, and
COLLECTOR terminal connections. The LED indicates the selected configura-
tion. COMMON is connected to ground, but through the current-sense resistor in
the LEAKAGE mode. When BASE COMMON is selected, the STEP GENERA-
TOR INVERT button is disabled. When the CONFIGURATION setting is
changed to or from COLLECTOR OPEN, the Collector Supply output automati-
cally goes to 0%. When either BASE SHORT (EMITTER) or BASE COLLEC-
TOR SUPPLY is selected, the output and readout display of the Step Generator
is disabled. Also the STEP AMPLITUDE, OFFSET, VOLTAGE, and CUR-
RENT control s are disabled.