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VCA820-VCA820ID-VCA820IDG4-VCA820IDGSR-VCA820IDR Fast Delivery,Good Price
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VCA820TIN/a1avai150MHz BW with linear in dB gain control variable gain amplifier
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VCA820IDG4 ,150MHz BW with linear in dB gain control variable gain amplifier 14-SOIC -40 to 85Maximum Ratings(1)over operating free-air temperature range (unless otherwise noted)MIN MAX UNITPow ..
VCA820IDG4 ,150MHz BW with linear in dB gain control variable gain amplifier 14-SOIC -40 to 85Features... 18.3 Feature Description.... 232 Applications..... 18.4 Device Functional Modes.... 243 ..
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VCA820-VCA820ID-VCA820IDG4-VCA820IDGSR-VCA820IDR
150MHz BW with linear in dB gain control variable gain amplifier
Frequency (Hz) 100M
1 kΩ
+VIN
RG+
RG-
-VIN
200Ω 20Ω
VIN+
VIN-
VCA820

Av = 20 dB
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VCA820
VCA820 Wideband,> 40-dB Adjustin dB
Variable Gain Amplifier

input current feedback amplifier 150-MHz Small-Signal Bandwidth stage, multiplier coreto providea• 137-MHz, 5-VPP Bandwidth(G= +10 V/V) complete amplifier (VGA) system that
does buffering. The maximum• 0.1-dB Gain Flatnessto28 MHz
gain two resistors, providing• 1700-V/μs Slew Rate flexibility maximum gainis intended• > 40-dB Gain Adjust Range to be and +100 V/V. Operating
from gain control voltage for the• High Gain Accuracy:20 dB ±0.4dBin dBas the control• High Output Current: 160 mAV. For example, set for the VCA820 provides202 Applicationsat 0-V inputof gain AGC Receivers With RSSI offers excellent gain
linearity. Fora 20-dB maximum gain, anda gain-• Differential Line Receivers control input voltage varying between1V and2V,• Pulse Amplitude Compensation the gain does not deviate by more than ±0.4dB• Variable Attenuators (maximumat +25°C).
Device Information(1)3 Description
The VCA820isa dc-coupled, wideband, linearin dB,
continuously variable, voltage-controlled gainamplifier. The VCA820 providesa differential inputtosingle-ended conversion witha high-impedance gain
(1) Forall available packages, see the orderable addendumatcontrol input, usedto vary the gain down40 dB from the endofthe data sheet.the nominal maximum gain set by the gain resistor
(RG) and feedback resistor (RF).
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Wideband Differentialto Single-Ended Amplifier
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