ADL5331 Datasheet | Analog Devices

1 MHz to 1.2 GHz VGA with 30 dB Gain Control Range ADL5331 Features Voltage-controlled amplifier/attenuator Operating frequency: 1 MHz to 1.2 GHz Optimized for controlling output power High linearity: OIP3 47 dBm @ 100 MHz Output noise floor: - 149 dBm/Hz @ maximum gain Input impedance: 50 Ω Output impedance: 20 Ω Wide gain-control range: 30 dB Linear-in-dB gain control function: 40 mV/dB Single-supply voltage: 4.75 V to 5.25 V FUNCTIONAL BLOCK DIAGRAM GAIN VPS1 GAIN CONTROL CONTINUOUSLY VARIABLE ATTENUATOR ENBL VPS2 VPS2 VPS2 VPS2 VPS2 INHI RFIN INLO 1 INPUT GM STAGE OUTPUT OPHI (TZ) STAGE OPLO 2 RFOUT BIAS AND VREF Transmit and receive power control...