Applications - HP LOGIC PULSER 546A Operating And Service Manual

Page 8 Model 546A
d. The LED's can be used to count the pulses output. Programming bursts of 10 or 100 and count-
ing the lamp flash bursts allows control of a precise number of output pulses.
APPLICATIONS
Hewlett-Packard makes several instruments which assist the troubleshooter in testing logic circuitry
with the logic Pulser. These instruments are listed in Table 3 and examples of their applications are
given in the following paragraphs.
Table 3. Logic Test Instruments
Typical Digital IC HP Instruments
Troubleshooting Stimulus Response
Shorted IC Input 546A Pulser 547 A Current Tracer and
545A logic Probe
Stuck Data Bus
546A Pulser
545A logic Probe and
547 A Current Tracer
Internal Open in IC 546A Pulser 545A logic Probe
Solder Bridge 546A Pulser 547 A Current Tracer
Sequential Logic Fault 546A Pulser 548A logic Clip
Shorts to V cc or Ground
546A Pulser
545A logic Probe
Multi-Pin Testing
546A Pulser 10529A logic Comparator