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| TDA6131 Datasheet, PDF (14/20 Pages) Infineon Technologies AG – Mixer/Oscillator | |||
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TDA 6131
preliminary
Applications
4.1.2 Test Circuit 2
Local
Oscillator
Input
Toko Balun
ü=1:1â617DB-1023
ü=1:2â617DB-1016
CK
9
Toko-
Balun
1:2
CK
R1
Mixer
Input
Toko-
Balun
1:1
VCC
DC
R3
R2
CK
CB
AC
Output
Bias
Tee
16
RDC
CK
8
CB VCC
L0
CB
Vogt
Transformer
Kit, 0.05mm
L1 wire ü=20:2
Mixer
Output
STB
Bias
Tee
DC
1
CB
AB
Input
Figure 4-2 Test Circuit 2
Mixer Circuit Emitter Grounded,
Mixer Current Increased With Resistor R1,R2
Wireless Components
4-3
Specification, March 2000
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