T TX Digital VGA 1400 MHz to 2300 MHz F1455 Datasheet Description The F1455 is a High Gain / High Linearity 1400 MHz to 2300 MHz TX Digital Variable Gain Amplifier used in transmitter applications.
The F1455 TX DVGA provides 32.
8 dB maximum gain with +38.
5 dBm OIP3 and 3.
9 dB noise figure.
Up to 29.
5 dB gain control is achieved using the combination of a digital step attenuator (DSA) and a KLINTM RF Digital Gain Amplifier.
This device uses a single 5 V supply and 220 mA of ICC.
This device is packaged in a 6 mm x 6 mm, 28-pin QFN with 50 Ω single-ended RF input and RF output impedances for ease of integration into the signal-path.
Competitive Advantage In typical Base Stations, RF VGAs are...

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