A.H. Systems PAM-1840H Kullanım Kılavuzu - Sayfa 5

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

ASSEMBLY INSTRUCTIONS

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

the required 15 VDC to the pre-amplifier.

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

GENERAL USE INSTRUCTIONS

Operation of the model PAM-1840VH 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-1840VH 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: