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Linear Technology introduces an 850 MHz programmable gain, broadband amplifier. The LT5514 exhibits an output third-order intercept (OIP3) of 49 dBm at 70 MHz, and has 2^nd and 3^rd order distortion products lower than 㫯 dBc, while delivering 2 V peak-to-peak output into a 200Ω load. Its combination of low noise and high spurious-free output capability makes it a suitable driver for 12- and 14-bit, 65 Msps or faster A/D converters in high performance communication systems. The devices's variable gain is adjusted by means of an on-chip, digitally controlled attenuator in combination with a fixed gain amplifier. A 4-bit parallel input word provides gain control, ranging from 10.5 to 33 dB, with a 1.5 dB incremental step.

Linear Technology Corporation
    
Linear Technology Corporation
1630 McCarthy Blvd.
Milpitas, CA, 95035