VCA2611 View Datasheet(PDF) - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS
Part Name
Description
MFG CO.
'VCA2611' PDF : 19 Pages View PDF
Attenuator
Input
RS
A1-A10 Attenuator Stages
QS
Attenuator
Output
VCM
A1
Q1
A2
Q2
A3
Q3
A4
Q4
A5
Q5
A6
Q6
A7
Q7
A8
Q8
A9
Q9
Q10
A10
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
V1
V2
V3
V4
V5
V6
V7
V8
V9
V10
Control
Input
C1-C10 Clipping Amplifiers
0dB
–4.5dB
VCM-VT
Attenuation Characteristic of Individual FETs
0
V1
V2
V3
V4
V5
V6
V7
V8
V9
V10
Characteristic of Attenuator Control Stage Output
Overall Control Characteristics of Attenuator
0dB
–45dB
0.3V
Control Signal
FIGURE 12. Piecewise Approximation to Logarithmic Control Characteristics.
VCA2616, VCA2611
SBOS234D
www.ti.com
3V
15
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