RF Electronics Chapter 5: Frequency Mixers Page 156
2022, C. J. Kikkert, James Cook University, ISBN 978-0-6486803-9-0.
Figure 5.75. Active single diode mixer (Cadence AWR DE example, Low_Power_Mixer).
Frater-Gilbert Cell Active Mixer
Figure 5.76. Basic Frater-Gilbert Cell active multiplier.
Prf=-80
Plo=-40
RL=1500
PORTF
P=2
Z=50 Ohm
Freq=900 MHz
Pwr=Prf dBW
PORT1
P=1
Z=50 Ohm
Pwr=Plo dBW
PORT
P=3
Z=50 Ohm
C
B
E
200
100
300
SUBCKT
ID=S1
NET="MMBR941"
Xo
Xn . . .
SWPVAR
ID=RLSwp
VarName="RL"
Values={1500,4700}
UnitType=Resistance
Xo
Xn . . .
SWPVAR
ID=PrfSwp
VarName="Prf"
Values=stepped(-80,-50,5)
UnitType=PowerLog
Xo
Xn . . .
SWPVAR
ID=PloSwp
VarName="Plo"
Values=stepped(-70,-35,5)
UnitType=PowerLog
CAP
ID=DC_block2
C=200000 pF
CAP
ID=DC_block1
C=200000 pF
RES
ID=RL
R=RL Ohm
CAP
ID=Clo
C=.5 pF
CAP
ID=CsIF
C=13.3 pF
CAP
ID=CpIF
C=33 pF
IND
ID=Lrf
L=6.6 nH
IND
ID=Lif
L=270 nH
RES
ID=R2
R=8200 Ohm
RES
ID=R1
R=470 Ohm
DCVS
ID=VCC1
V=1 V
CAP
ID=Crf
C=1.8 pF
RF Electronics: Design and Simulation
156 www.cadence.com/go/awr
