AT-2207(40)

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An attenuator is an electronic device that reduces the amplitude of a signal without distorting the waveform. It usually does this by providing a low-impedance path to ground for part of the signal, thus oppressing the signal at higher frequencies. One of the more commonly used attenuators is the AT-2207(40), which is suitable for applications in wireless telecom and radar, digital controller of high-speed switching power supplies, and base stations. This article provides a brief overview of the AT-2207(40) attenuator, including applications and working principle.

Features of the AT-2207(40)

The AT-2207(40) is a medium power attenuator that operates in the frequency range from DC to 40 GHz. It is available in 20 dB, 30 dB, and 40 dB attenuation configurations. It is capable of handling input power levels up to 2 Watts and has a flat frequency response and good harmonic performance from DC to 18 GHz. Additionally, the AT-2207(40) provides an integrated power detector for monitoring input power levels. It also includes a 50 dB return loss at 10 GHz and low insertion loss.

Applications of the AT-2207(40)

The AT-2207(40) is suitable for use in a variety of applications including wireless telecom and radar, base stations, digital controller of high-speed switching power supplies, and other communication systems. It is also suitable for use in test benches and other laboratory environments. Additionally, it can be used to reduce the output of amplifiers in antenna systems, frequency correction circuits, and other signal conditioning systems.

Working Principle of the AT-2207(40)

The AT-2207(40) utilizes a three-port design that provides an internal DC bias voltage for powering a series of resistors. When RF signals are present, the series resistors deform and produce a small voltage across the terminations. This small voltage is then used to feed back resistance into the system, thus providing the desired attenuation. In addition, the AT-2207(40) also includes an integrated power detector that allows for monitoring of the input power levels.

Conclusion

The AT-2207(40) is a medium power attenuator that is suitable for applications in wireless telecom and radar, digital controller of high-speed switching power supplies, and other communication systems. This device operates in the frequency range from DC to 40 GHz and is capable of handling input power levels up to 2 Watts. Additionally, it includes a 50 dB return loss at 10 GHz and low insertion loss. The AT-2207(40) utilizes a three-port design that provides an internal DC bias voltage for powering a series of resistors, which in turn produce a small voltage across the terminations that is used to feed back resistance into the system, thus providing the desired attenuation.

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