Teseq CBA 1G-275 Class A Broadband Amplifier

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Teseq CBA 1G-275 Class A Broadband Amplifier
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Teseq CBA1G-275
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CBA1G-275 Datasheet Accessory Kit

Designed specifically for radiated EMC Testing, this mismatch tolerant Class A amplifier delivers power continuously into the very poor match typically associated with broadband EMC antennas when used at low frequency.

The GaAs Class A design ensures a high reliability, low distortion linear performance across the frequency range. This design also ensures that the amplifier will continue to operate at full power even when presented with an open or short circuit at its output. The use of gallium arsenide technology represents a breakthrough in amplifier design for this frequency range and output power.

This unit is powered from a switched mode power supply for high efficiency, high power factor and wide voltage range operation. The unit is air-cooled with integral fans, and is protected against faulty cooling by excess temperature-sensing. A safety interlock connector is provided, which the user can short circuit to ground, to put the amplifier into standby mode. Front panel indicators are provided to indicated over-temperature and RF interlock operation.
Teseq CBA1G-275 Features
  • Class A linear and low distortion design
  • High Reliability gallium arsenide technology
  • Mismatch tolerant and unconditionally stable
  • Wide instantaneous bandwidth
  • Typical 2 dB compression data
  • Harmonics remain below 20 dBc at actual 1 dB compression point
Teseq CBA1G-275 Specs
Frequency Range (Instantaneous) 80 to 1000 MHz
Rated Power 275 W minimum (350 W typical 80 MHz to 400 MHz)
Output power at 1 dB gain compression 250 W minimum (300 W typical 80 MHz to 400 MHz)
Gain 56 dB
Third order intercept point 64 dBm
Gain variation with frequency ±3 dB
Harmonics mat 250 W output Better than -20 dBc
Output impedance 50 Ohms
Stability Unconditional
Output VSWR tolerance infinite any phase
input VSWR 2:1
RF Connector style Type N Female
Dual Safety interlock Two BNC female connectors S/C to mute and O/C to mute
USB interface optional
Supply Voltage 184-264 VAC
(Floating input allows operation across 2 phases)
Supply Frequency Range 45 to 63 Hz
Supply Power < 2 KVA (nominal 1.6 kva)
Mains connector IEC320
Operating temperature 0 to 40°C