Telecoms, Datacoms, Wireless, IoT


Broadband frequency doubler

13 September 2017 Telecoms, Datacoms, Wireless, IoT

Custom MMIC announces a new edition to its lineup of high performance MMIC doublers, the CMD226N3 broadband frequency doubler covering an input frequency of 7 GHz to 11 GHz (C-,X, input; Ku- and K-band output). This doubler’s low conversion loss and excellent Fo isolation make it ideal for use in military radar, SMDS, SATCOM, VSAT and LO chains for point-to-point microwave/millimetre-wave radio in cellular backhaul applications.

The GaAs device is a x2 passive frequency multiplier that offers broadband performance and is housed in a QFN-style package. With a drive level of +15 dBm, it offers 9,0 dBm of conversion loss at 18 GHz and Fo isolation in reference to an input level of 44 dB. The 3Fo and 4Fo isolation are at least 48 dBc and 50 dBc, respectively.

Extremely temperature stable, the conversion gain varies less than 2 dB from nominal across the entire frequency band of operation, and is also very stable under varying drive conditions. The CMD226N3’s passive design exhibits

excellent phase noise performance, without the need for biasing circuitry. It also incorporates a 50 Ω matched design on chip, removing the necessity to RF port match this device.

For more information contact Andrew Hutton, RF Design, +27 (0)21 555 8400, andrew@rfdesign.co.za, www.rfdesign.co.za



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