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2005/7/5
4
Agamem Electronics Inc.
AA8622AP
PRELIMINARY
Dual Video Amplifier
MEASUREMENT CIRCUIT
Tp1
Tp3
Tp5
Tp2
Tp6
Tp4
Vin1
Gnd
Vout1
Vout3
Vin2
Vcc
Vout2
Vout4
75Ω
4.7uF
22uF
100uF
75Ω
75Ω
400Ω
0.6V
4.7uF
22uF
100uF
75Ω
400Ω
0.6V
75Ω
75Ω
100uF
1000pF
H
(6dB)
S1
S3
S5
1
2
3
4
Vin1
Gnd
Vsag1
Vout1
Vin2
Vcc
Vsag2
Vout2
H
S6
S4
S2
(6dB)
TEST METHODES
S1
S2
S3
S4
S5
S6
Supply Current
lcc
H
H
7PIN Sink Current
Voltage Gain
Gv
H
H
ON
ON
Vout1 / Vin. Vout2 / Vin2 at Vin1(Vin2)=1MHz, 1Vpp,
Sinewave
Frequency Characteristic
Gf
H
H
ON
ON
Gv1M Voltage Gain at Vin1(Vin2)=1MHz, 1Vpp
Gv10M Voltage Gain at Vin1(Vin2)=7MHz, 1Vpp
Gf=Gv10M-Gv1M
Differential Gain
DG
H
H
ON
ON
Measuring Vout3 at Vin1=Staircase Signal
Differential Phase
DP
H
H
ON
ON
Measuring Vout3 at Vin1=Staircase Signal
Crosstalk
CT
H
L
ON
ON
Vout2 / Vout1 at Vin1=4.43MHz 1Vpp Sinewave
Vout1 / Vin2 at Vin2=4.43MHz 1Vpp Sinewave
Gain Oftest
Gch
H
H
ON
ON
Gv1=Vout1 / Vin1, Gv2=Vout2/Vin2 Gch=Gv1-Gv2
Input Clamp Voltage
Vcl
H
H
Measuring at TP1 (TP2)
SAG Terminal Gain
Gsag
H
H
TP3(TP4) Voltage; V01A(V02A), TP5(TP6) voltage.
Vso1A(Vso2A)
HH
ON
ON
TP3(TP4) Voltage; V01A(V02A), TP5(TP6) voltage.
Vso1B(Vso2B)
Gsag=20log[(V01B-V01A) / (Vso1A-Vso1B)]
Gsag=20log[(V02B-V02A) / (Vso2A-Vso2B)]
SWITCH CONDITIONS
PARAMETER
SYMBOL
CONDITIONS
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