Rad-tolerant LNA spans 2 GHz to 5 GHz



An off-the-shelf S-Band low-noise amplifier, the TDLNA2050SEP from Teledyne, tolerates up to 100 krads of total ionizing dose (TID) radiation. This makes the part suitable for use in high-reliability satellite communication systems and phase-array radar.

According to the manufacturer, the MMIC amplifier delivers a gain of 17.5 dB from 2 GHz to 5 GHz, while maintaining a noise figure of less than 0.4 dB and an output power (P1dB) of 19.5 dB. The device should be biased at a VDD of +5.0 V and IDDQ of 60 mA.

The TDLNA2050SEP low-noise amplifier is built on a 90-nm enhancement-mode pHEMT process and is qualified per MIL-PRF-38534 Class K (space) or Class H (military). It comes in a 2×2×0.75-mm, 8-pin plastic DFN packages.

Devices are available from Teledyne e2v HiRel or an authorized distributor.

TDLNA2050SEP product page

Teledyne e2v HiRel Electronics

Find more datasheets on products like this one at Datasheets.com, searchable by category, part #, description, manufacturer, and more.

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