Coaxial
Frequency Mixer
Level 7 (LO Power +7 dBm) 800 to 1250 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
IF Current
-55°C to 100°C
-55°C to 100°C
50mW
40mA
ZFM-12+
ZFM-12
Features
• low conversion loss, 5.67 dB typ.
• good L-R isolation, 35 dB typ, L-I, 30 dB typ.
• rugged shielded case
SMA version shown
CASE STYLE: K18
Connectors Model
BNC
ZFM-12 (+)
SMA
ZFM-12-S (+)
BRACKET (OPTION “B”)
Price
$79.95 ea.
$84.95 ea.
$2.50
Qty.
(1-9)
(1-9)
(1+)
Applications
• VHF/UHF
• cellular
• GPS
• instrumentation
Coaxial Connections
LO
RF
IF
1
2
3
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site for
RoHS Compliance methodologies and qualifications.
Electrical Specifications
Outline Drawing
FREQUENCY
(MHz)
LO/RF
f
L
-f
U
800-1250
50-90
1 dB COMP.: +1 dBm typ.
IF
—
X
5.67
CONVERSION LOSS
(dB)
Mid-Band
σ
0.12
Total
Range
Max.
7.5
LO-RF ISOLATION
(dB)
LO-IF ISOLATION
(dB)
Typ.
35
Min.
25
Typ.
30
Min.
20
Typical Performance Data
Frequency
(MHz)
Conversion
Loss
(dB)
LO
730.00
765.53
801.05
824.74
848.42
872.10
895.79
919.47
943.20
966.80
990.50
1002.40
1026.10
1049.70
1073.40
1097.10
1120.80
1144.50
1168.20
1180.00
Isolation
L-R
(dB)
LO
+7dBm
33.42
32.78
32.33
32.16
32.06
32.10
32.20
32.44
32.61
33.00
33.47
33.61
33.93
34.25
34.50
34.75
35.42
36.69
38.41
39.24
Isolation
L-I
(dB)
LO
+7dBm
34.21
33.92
33.41
33.06
32.78
32.59
32.33
32.15
31.91
31.84
31.84
31.77
31.75
31.80
31.82
31.82
32.00
32.00
33.59
34.65
VSWR RF
Port
(:1)
LO
+7dBm
2.64
2.58
2.53
2.46
2.43
2.29
2.20
2.13
2.07
2.04
1.94
1.89
1.84
1.78
1.76
1.73
1.71
1.73
1.73
1.75
VSWR LO
Port
(:1)
LO
+7dBm
1.93
1.88
1.87
1.84
1.82
1.81
1.79
1.77
1.77
1.77
1.74
1.74
1.73
1.69
1.69
1.65
1.62
1.59
1.57
1.51
RF
800.00
835.53
871.05
894.72
918.42
LO
+7dBm
6.67
6.56
6.57
6.41
6.31
6.33
6.29
6.18
6.19
6.24
6.23
6.34
6.39
6.52
6.67
6.77
6.90
6.95
7.04
7.00
Outline Dimensions (
inch
)
mm
A
1.25
31.75
J
--
--
B
1.25
31.75
K
--
--
C
.75
19.05
L
.125
3.18
D
.63
16.00
M
1.688
42.88
E
.38
9.65
N
2.18
55.37
F
1.00
25.40
P
.75
19.05
G
.125
3.18
H
1.000
25.40
942.10
965.79
989.47
1013.20
1036.80
1060.50
1072.40
1096.10
1119.70
1143.40
1167.10
1190.80
1214.50
1238.20
1250.00
Q
wt
.07 grams
1.78
70.0
Electrical Schematic
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. A
M98898
ZFM-12+
DJ/TD/CP
060627
Page 1 of 2
Performance Charts
8.0
CONVERSION LOSS (dB)
7.5
at IF Freq of 30 MHz
ZFM-12+
ZFM-12
50
ZFM-12
L-R ISOLATION
ZFM-12
CONVERSION LOSS
LO=+4 dBm
ISOLATION (dB)
40
LO=+7 dBm
LO=+10 dBm
7.0
6.5
6.0
5.5
5.0
800
30
LO=+4 dBm
890
LO=+7 dBm
LO=+10 dBm
1160
1250
980
1070
FREQUENCY (MHz)
20
800
890
980
1070
FREQUENCY (MHz)
1160
1250
ZFM-12
L-I ISOLATION
50
3.5
LO=+10 dBm
ZFM-12
RF VSWR
LO=+4 dBm
ISOLATION (dB)
40
LO=+7 dBm
3.0
VSWR
2.5
2.0
1.5
LO=+4 dBm
LO=+7 dBm
LO=+10 dBm
30
20
800
890
980
1070
FREQUENCY (MHz)
ZFM-12
LO VSWR
1160
1250
1.0
800
890
980
1070
FREQUENCY (MHz)
ZFM-12
IF VSWR
1160
1250
3.0
2.6
VSWR
2.2
1.8
1.4
1.0
800
LO=+4 dBm
LO=+7 dBm
LO=+10 dBm
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
800
VSWR
LO=+4 dBm
LO=+7 dBm
LO=+10 dBm
890
980
1070
FREQUENCY (MHz)
1160
1250
890
980
1070
FREQUENCY (MHz)
1160
1250
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circuits
ISO 9001 & ISO 14001
Certified
Page 2 of 2