403LA Power Amplifier
High Reliability, complete stability and rugged design ensure operation into mismatch and overdrive conditions.
The 403LA will withstand a + 13dBm input signal for all load conditions.
403LA Broadband Amplifier is a rugged source of RF power suitable for a
variety of UHF signal distribution and general laboratory applications.
It is a compact fully solid state design. It features low-level
intermodulation distortion and inherent protection against short and
open circuit loads. The 403 LA amplifies the inputs of AM, FM, SSB,
pulse and other complex modulations within its output and bandwidth
403LA produces 3 Watts of Class A linear output power over a frequency
range of 150 KHz to 300 MHz with a nominal gain of 37 dB (+/-2dB). In
order to provide exceptionally low levels of IMD, highly linear RF
devices are used, with feedback, in the driver and output amplifier
stages. All harmonics are more than 25 dB below the fundamental
frequency at 2.7 Watts Pout.
integral power supply allows for operation directly from an input of
115/230 V single phase. Both the power supply and the forced air cooling
are conservatively designed for operation over a wide temperature
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