Operating Procedures - HP LOGIC PULSER 546A Operating And Service Manual

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Modei546A

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OPERATING PROCEDURES

To operate the Pulser, observe the following procedures:

NOTE

In the following step, be sure to connect the red power lead of the Pulser

to the positive side of the power supply.

Connect the power leads of the pulser to the power supply of the logic being pulsed

(3 to 18V). (The Pulser may be powered from a different source, provided the voltage is the

same as that of the circuit under test and a common ground is used.)

Contact the logic node to be stimulated with the tip of the Pulser.

Program the generation of pulses by pushing the switch per adjacent markings (refer to

Table 2 for details). Characteristics of the switch operation are described in the following

steps.

(1)

(2)

(3)

(4)

(5)

(6)

A push-push action of the switch must occur within less than 1 second to be effective.

A hold action of the switch for greater than 1 second begins execution of the pro-

grammed output.

Any function can be locked on by the push-slide action of the switch.

Releasing the switch midway through a burst does not terminate the burst.

The single pulses generated when a burst is programmed are subtracted from the

first burst, e.g., a 100 burst is output as 1-1-98, 100, 100, etc.

Releasing the switch in any output mode other than midburst terminates output

and allows a new mode to be programmed immediately. Releasing the switch for

longer than 1 second, erases the programming of previous pushes.

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