VCA820ID

宽带， 40分贝调整范围， dB线性可变增益放大器 Wideband, 40dB Adjust Range, Linear in dB VARIABLE GAIN AMPLIFIER

DESCRIPON

The VCA820 is a dc-coupled, wideband, linear in dB, continuously variable, voltage-controlled gain

amplifier. It provides a differential input to single-ended conversion with a high-impedance gain

control input used to vary the gain down 40dB from the nominal maximum gain set by the gain resistor RG and feedback resistor RF.

FEATURES

• 150MHz SMALL-SIGNAL BANDWIDTH

• 137MHz, 5VPP BANDWIDTH G = +10V/V

• 0.1dB GAIN FLATNESS to 28MHz

• 1700V/μs SLEW RATE

• > 40dB GAIN ADJUST RANGE

• HIGH GAIN ACCURACY: 20dB ±0.4dB

• HIGH OUTPUT CURRENT: 160mA

APPLICATIONS

• AGC RECEIVERS with RSSI

• DIFFERENTIAL LINE RECEIVERS

• PULSE AMPLITUDE COMPENSATION

• VARIABLE ATTENUATORS

• DROP-IN UPGRADE TO LMH6502