A high IP3 RF receiver chip set for mobile radio base stations up to 2 GHz
2000
We present a monolithically integrated high IP3 RF receiver chip set for mobile radio base stations up to 2 GHz, in a 25 GHz f T Si bipolar production technology. The chip set consists of a RF preamplifier, an active mixer and an IF limiter. The preamplifier gain is 12dB, the noise figure is 5.5 dB and the IP3 OUT is +24 dBm at 900 MHz. The mixer conversion gain is 1.5 dB, the IP3 OUT is +26 dBm and the SSB noise figure is 16.5 dB. The limiter provides a high overload protection and a high bandwidth.
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