The MAX3537/MAX3538 broadband RF variable-gain
amplifiers (VGA) are designed for digital and
OpenCable™ set-tops and televisions. These devices
feature a unique design that integrates a dual-band
(UHF and VHF) input and a low-noise, variable-gain
amplifier. The integrated RF VGA covers a 10MHz to
1GHz input frequency range and provides 22dB of
gain-control range.
The MAX3538 is intended for the most difficult signal
conditions where performance is critical. The external
pullup inductor improves IIP2 and IIP3 while also
increasing gain for better sensitivity. The MAX3537
does not need an external pullup inductor and is ideal
for low-power applications with less demanding receiver
distortion requirements such as smaller TVs using
indoor antennas.
The MAX3537/MAX3538 are specified for operation in
the 0°C to +85°C temperature range and are available
in 4mm x 4mm, 12-pin thin QFN packages with
exposed paddle (EP).
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