Atec Amplifier-Research-250L User Manual download pdf

160 School House Road, Souderton, PA 18964-9990 USA

Phone 215-723-8181•FAX 215-723-5688

MODEL 250L

250 WATTS CW

750 WATTS PULSE

10 kHz - 220 MHz

The Model 250L is a self contained, forced air cooled, broadband amplifier that features instantaneous

bandwidth, high gain and moderate power output. It employs all solid state, MOSFET low power

stages and a vacuum tube final amplifier. To increase its versatility for laboratory applications, both

CW and PULSE modes are provided. All control and protection circuits use solid state logic.

Overload comparators are used in both the CW and PULSE modes to safeguard against overdrive or

excessive pulse lengths. In addition, the final amplifier tubes are protected by a high speed crowbar

circuit. Easily accessible, rear mounted test points and LED indicators provide monitoring of

operating voltages and currents. Remote control is provided through a rear panel mounted connector.

Isolated TTL level remote control can be accomplished using our CP2001 interface. Isolated IEEE-

488 compatible control can be provided with our Model CP3000. A continuously variable RF input

attenuator conveniently located on the front panel permits operator adjustment of the output power as

required. The Model 250L is useful in many applications such as RF susceptibility testing, plasma

experiments, ultrasonics, and RF heating.

200

400

600

800

1000

1200

WATTS

1 10 100 1000

FREQUENCY (MHz)

250L TYPICAL POWER OUTPUT

PULSE

LINEAR @ 1dB COMPRESSION

0.1

0.010.001

REV072696

1 2

Summary of Contents

Page 1 - LINEAR @ 1dB COMPRESSION

160 School House Road, Souderton, PA 18964-9990 USAPhone 215-723-8181•FAX 215-723-5688MODEL 250L250 WATTS CW750 WATTS PULSE10 kHz - 220 MHzThe Model 2

Page 2 - SPECIFICATIONS

SPECIFICATIONSModel 250LPOWER OUTPUT Pulse Mode Minimum...................750

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Atec Amplifier-Research-250L User Manual

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