Owner's manual

Advanced Test Solutions for EMC
10 kHz to 400 MHz 110 Watt
Class a BroadBand aMplifier
CBa 400M-110
Class A linear and low distortion
design
High reliability gallium arsenide
technology
Mismatch tolerant and uncondi-
tionally stable
Wide instantaneous bandwidth
Remote control option
Three year parts and labour
warranty
Designed specically for automotive, military and aerospace BCI and other susceptibility EMC testing,
this mismatch tolerant Class A amplier delivers power continuously into the varying match typically
associated with this type of testing.
The GaAs Class A push pull design ensures a high reliability, low distortion linear performance across the
frequency range. This design also ensures that the amplier 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 rep-
resents a breakthrough in amplier design for this frequency range and output power. Previous designs
based on silicon technology suffer from relatively poor compression characteristics, low efciency and
sometimes poor reliability.
The unit is powered from a switched mode power supply for high efciency, 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 amplier into standby mode. Front panel indicators are provided to indicate
over-temperature and rf interlock operation.