CPL-5210-06-TNC-79

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RF Directional Coupler is a device used for radio frequency (RF) signal transmission. It consists of two microstrips, one of which is called the receiver and the other is called the transmitter. The RF signal transmitted through the transmitter is picked up by the receiver and a part of the signal is reflected back to the transmitter. The reflected signal is then combined with the transmitter signal, forming a phase-shifted reflected signal. This reflected signal can be used for many different purposes, such as measuring the power that the transmitter sends out, for receiving signals from different sources, and for improving the antenna efficiency.

CPL-5210-06-TNC-79, from the RF Directional Couplers range of products from manufacturer Pasternack, is designed for operation from 6 to 22 GHz and offers a low insertion loss at a wide isolation range of 40 dB. The device is typically used in the military for direction finding and radiated power measurements, and in commercial applications for antenna and power amplifier testing. It is also used in industrial applications including radar testing, research and development. The device is designed with a precision-finished stainless steel case and a gold-plated brass sheath covering the N type connectors. The construction of the device ensures the highest levels of environmental protection against vibration and moisture.

The working principle of the CPL-5210-06-TNC-79 is straightforward. The front end of the device consists of a directional coupler, which consists of two pairs of microstrip radiators — the main and auxiliary pairs. The main receiver receives the incident signal while the auxiliary receiver picks up the reflected signal from the main radiator. These signals then pass through a 90° hybrid coupler, which recombines the two signals out of phase. The recombined signal is then inputted at the back end of the device, where the amplifiers and filters are used to amplify the signal and attenuate the unwanted harmonics. The output of the device is then outputted via the N-type connectors on the side.

The CPL-5210-06-TNC-79 is an ideal instrument for a wide range of applications, such as antenna and power amplifier testing, direction finding, research and development, and radar testing. It offers superior performance in terms of insertion loss, isolation, port to port return loss, and port to ground return loss. Moreover, its robust construction and excellent environmental protection makes it an ideal choice for a wide range of applications.

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