Amplifier Research 100A250A Manuel - Page 6

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Model 100A250A

2.2

AMPLIFIER OPERATION

2.2.1 Local Operation

Power-up Sequence:

1. Connect the input signal to the unit's RF INPUT connector. The input signal level should be

0dBm maximum.

2. Connect the load to the unit's RF OUTPUT connector.

3. Check to see that the MAIN POWER switch (circuit breaker) on the unit's rear panel is set to the 1

("on") position.

4. Press the POWER switch: the front panel vacuum fluorescent display (VFD) should read

POWER ON, STATUS OK when power is applied.

(NOTE: The amplifier changes state each time the POWER switch is depressed—if the unit is

on when the POWER switch is depressed, it will turn off; if the unit is off when the POWER

switch is depressed, it will turn on.)

5. In the event of a fault, press the FAULT/RESET switch; if the fault does not clear, refer to

subsection 4.3 ("Troubleshooting") of this manual.

6. Adjust gain control if necessary.

2.2.2.1

Introduction

This subsection describes remote operation of the Model 100A250A amplifier by utilizing either the

IEEE-488 parallel interface or the RS-232 serial interface and a controlling device, such as a bus

controller or a personal computer (PC).

Figure 2.1 shows the Model 100A250A in pictorial form.

FIGURE 2.1

AMPLIFIER OPERATION

Manual Text

2-2

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