A.H. Systems PAM-1840 Руководство по эксплуатации - Страница 5

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A.H. Systems Model PAM-1840 Pre-Amplifier

ASSEMBLY INSTRUCTIONS

The model PAM-1840 pre-amplifier is shipped completely assembled. Simply supply the

required 15 VDC to the pre-amplifier.

MOUNTING INSTRUCTIONS

The model PAM-1840 is a bench top pre-amplifier.

GENERAL USE INSTRUCTIONS

Operation of the model PAM-1840 low noise amplifier is quite simple. The unit is turned

on by first plugging the phone type plug from an external power supply into the power

input connector. The power supply is then plugged into the appropriate line voltage

supply. The input signal is connected to the jack marked "INPUT". The output signal is

taken from the jack marked "OUTPUT" and fed to the desired amplifier or test

equipment.

The preamplifier is turned on by pulling out and lifting the switch to the on

position, the Power indicator LED will light.

The input signal should normally be at a level of –15 dBm or lower. Signal levels greater

than –15 dBm will drive the amplifier into compression, resulting in distortion of the

signal.

The model PAM-1840 amplifier is not critical in regards to source and load VSWR

and will remain unconditionally stable with any magnitude and phase of source

and load VSWR. However, input signals greater than +10 dBm can damage the

amplifier.

 A.H. Systems inc. – November 2001

REV A

OPERATING INSTRUCTIONS

CAUTION: