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19-2301; Rev 1; 10/06
KIT ATION EVALU E L B AVAILA
LNAs with Step Attenuator and VGA
Features
♦ Low Noise Figure (1.8dB typical) ♦ High Small-Signal Gain (15dB Nominal) ♦ Wide Frequency Range of Operation (100MHz to 1GHz) ♦ 20dB Step Attenuator ♦ 45dB AGC Range Excluding Step Attenuator ♦ 2.65V to 3.3V Single-Supply Operation ♦ Shutdown Mode ♦ 3.5mA Supply Current, Adjustable Down to 2.5mA ♦ 40dB Reverse Isolation
General Description
The MAX2371/MAX2373 wideband low-noise amplifier (LNA) ICs are designed for direct conversion receiver (DCR) or very low intermediate frequency (VLIF) receiver applications. They contain single-channel, single-ended LNAs with switchable attenuator and automatic gain control (AGC) intended as a low-noise gain stage.