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.
Teledyne e2v HiRel Electronics
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