Typical operating circuit – Rainbow Electronics MAX2684 User Manual
Page 16
MAX2683/MAX2684
3.5GHz Downconverter Mixers
with Selectable LO Doubler
16
______________________________________________________________________________________
Typical Operating Circuit
1
2
16
15
14
13
12
11
10
9
BIAS
GND
IFOUT+
GND
GND
IFOUT-
GND
GND
3
4
5
6
7
8
V
CC
GND
GND
RFIN
GND
ENX2
LOX2
LOX1
100pF
R
BIAS
1.5k
1pF
10
µF
3300pF
1.2nH
V
CC
RF
INPUT
ON
OFF
LO DOUBLER
ENABLE
1.2k
100pF
100pF
100pF
3.9nH
HALF-FREQUENCY
LO INPUT
FULL-FREQUENCY
LO INPUT
1.5k
Ω
39nH
8.2pF
3.3pF
8.2pF
0.01
µF
39nH
BALUN
300MHz
IF OUTPUT
MAX2683
14
13
12
11
IFOUT+
GND
GND
IFOUT-
300
Ω
6.8nH
8.2pF
8.2pF
0.01
µF
6.8nH
BALUN
900MHz
IF OUTPUT
V
CC
V
CC
MAX2684 IF OUTPUT DIFFERENTIAL
TO SINGLE-ENDED CONVERSION NETWORK.
NOTE: EVENLY SOLDER EXPOSED PAD (EP)
ON BOTTOM OF DEVICE TO GROUND PLANE.
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