Although JAG RF mainly specializes in filters and antennas we do stock and service RF amplifiers due to their integral role in most RF antenna and filter systems. This is most apparent at large receiver sites were a significant amount of signal distribution is sometimes required. These amplifiers are usually a part of a receiver multicouper and offer 14-16dB of gain with a reasonably low noise figure. JAG RF can customize receiver preamps with a number or panel mount configuration and gain outputs. JAG RF can supply amplifiers designed for a specified band or we can supply wide band amps as depicted to the left. We also repair receiver preamps and can provide test data for them.

Another common type of RF amplifier that makes its presence known at RF sites is the power amplifier. These amplifiers are designed for one thing, to produce as much power gain as possible sometimes in excess of 30-40dB depending on the input power. JAG RF provided custom harmonic filtering, cable lengths, and coaxial attenuators and delay lines to accommodate these types of amplifiers. We also service and calibrate these amplifiers and can produce test data for them such as input versus out charts for easy site calibration.

JAG RF stocks many RF amplifier parts including some of the harder to find Motorola RF Transistors. We also stock and can source equivalent transistors whether they are for LNA or driver stage or final stage applications. Variable and fixed pF capacitors and variable and fixed nH inductors are also in the JAG RF inventory. If a specific capacitor and inductor is needed that is not “off the shelf” JAG RF can make them. We can accommodate strip line repair and run methodical RF transistor tests on a number of our network analyzers with their corresponding test jigs.

Sometimes preamps that are a part of standard rack mount receiver multicouplers do more bad than good. This is because they are located near the end of the coaxial run from the antenna; the preamp ends up amplifying too much noise. Theoretically the ideal location for a preamp on a receive system is at the antenna. This way the received signal is amplified at the antenna without the addition of extra noise and the SNR is much better as a result. This is why JAG RF stocks and builds customized tower top receiver amplifiers enclosed in a weather proof NEMA enclosures. We stock and build DC injectors and also stock the entire tower top amplifier system including the EIA rack mount companion distribution unit with internal DC injector.