Amplifier Research 50W1000B RF Amplifier 1 MHz – 1000 MHz 50W

Description

Amplifier Research 50W1000B is a portable, self-contained, air-cooled, broadband, solid state amplifier designed for applications where instantaneous bandwidth and high gain are required. Push-pull circuitry is utilized in the high power stages to lower distortion and improve stability.

The 50W1000B, when used with an RF sweep generator, will provide a minimum of 50 watts of swept power. Included is a front panel gain control which permits the operator to conveniently set the desired output level.

The 50W1000B is protected from RF input overdrive by limiting diodes and an RF input leveling circuit which controls the RF input level to the RF amplifier first stage when the RF input level is increased above 0 dBm. The RF Amplifier stages are protected from over temperature by removing the DC voltage to them if an over temperature condition occurs due to cooling blockage or fan failure.

There is a digital display on the front panel to indicate the operate status and fault conditions when an over temperature, power supply, or amplifier fault has occurred. The unit can be returned to operate when the condition has been cleared.

The 50W1000B includes digital control for both local and remote control of the amplifier. This 8-bit RISC microprocessor controlled board provides both IEEE-488 RS-232 control of all amplifier functions.

 

Features

  • Solid state
  • Broadband
  • Air cooled
  • High gain
  • Push-pull MOSFET circuitry
  • Mismatch tolerant
  • Modulation capability
  • RF connector – Type N
  • Interface – IEEE-488, RS-232
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Specifications

RATED POWER OUTPUT

50 watts minimum

INPUT FOR RATED OUTPUT

1.0 milliwatt maximum

POWER OUTPUT @ 3dB COMPRESSION

Nominal

70 watts

Minimum

50 watts

POWER OUTPUT @ 1dB COMPRESSION

Nominal

55 watts

Minimum

40 watts

FLATNESS

±1.0 dB typical

±1.5 dB maximum

FREQUENCY RESPONSE

1 MHz-250 MHz instantaneously

GAIN (at maximum setting)

47 dB minimum

GAIN ADJUSTMENT (Continuous Range)

20 dB minimum (4096 instantaneously)

INPUT IMPEDANCE

50 ohms, VSWR 2.0:1 maximum

OUTPUT IMPEDANCE

50 ohms, nominal

MISMATCH TOLERANCE

100% of rated power without foldback. Will operate without damage or oscillation with any magnitude and phase of source and load impedance.

MODULATION CAPABILITY

Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal

HARMONIC DISTORTION

Minus 20 dBc maximum at 50 watts

THIRD ORDER INTERCEPT POINT

57 dBm typical

PRIMARY POWER

(selected automatically)

90-132, 180-264 VAC

50/60 Hz, single phase

600 watts maximum

REMOTE INTERFACES

IEEE-488, RS-232

CONNECTORS

RF

Type N female on front panel

REMOTE CONTROL

IEEE-488

24 pin female

RS-232

9 pin Subminiature D female

COOLING

Forced air (self contained fans)

SIZE (W x H x D)

50.3 x 20.3 x 45.7 cm, 19.8 x 8.0 x 18.1 in.

WEIGHT 

25.9 kg (57 lb)

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