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
ADL5331
COM2
COM1
INHI RFIN INLO COM1
INPUT GM STAGE
OUTPUT OPHI (TZ) STAGE OPLO COM2
RFOUT
BIAS AND VREF
Transmit and receive power control at ...