View ad8365 datasheet:

10-2500 GHz, Linear-in-dB Variable Gain Amplifier a RF/IF Concept AD8365 FEATURES “Linear-in-dB” Gain Control 40dB Control Range 20dB Gain, 20dB Attenuation 1 10 Performance from 10 to 2500 GHz VPOS GPOS Gain +3dBm Output Drive Capability Bias 2 Control 9 Open Collector Option to +10dBm COMM GNEG 50 ohm Input/Output Impedance 5 dB Noise Figure (at max gain) INHI 3 8 COMM 0dB to -40dB +20dB +/-1 dB Gain Control Accuracy 4 7 Power-Down Feature VOUT INLO 5 PWUP 6 COMM APPLICATIONS RF/IF AGC Amplifier Power Amplifier Pre-Driver 10 Pin Micro-SO Package PRODUCT DESCRIPTION The AD8365 is a variable gain amplifier for use in RF AGC systems. It The AD8365 uses a proprietary circuit topology- the X- provides accurate performance from 10 to 2500 MHz. The decibel gain