Coaxial
Frequency Mixer
Level 7 (LO Power +7 dBm) 0.04 to 400 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
IF Current
-55°C to 100°C
-55°C to 100°C
50mW
40mA
ZFM-3+
ZFM-3
Features
• low conversion loss, 4.78 dB typ.
• high L-R isolation, 50 dB typ, L-I, 45 dB typ.
• rugged shielded case
SMA version shown
CASE STYLE: K18
Connectors Model
BNC
ZFM-3 (+)
SMA
ZFM-3-S (+)
BRACKET (OPTION “B”)
Price
$61.95 ea.
$66.95 ea.
$2.50
Qty.
(1-9)
(1-9)
(1+)
Applications
• VHF
• FM radio
• defense & federal communications
• 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
0.04-400
DC-400
1 dB COMP.: +1 dBm typ.
IF
—
X
4.78
CONVERSION LOSS
(dB)
Mid-Band
m
σ
0.03
Total
Range
Max. Max.
7.0
8.0
L
Typ.
60
LO-RF ISOLATION
(dB)
M
Min.
50
Typ.
50
Min.
35
Typ.
35
U
Min.
25
Typ.
55
L
LO-IF ISOLATION
(dB)
M
Min.
40
Typ.
45
Min.
30
Typ.
35
U
Min.
25
L = low range [f
L
to 10 f
L
]
m= mid band [2f
L
to f
U
/2]
M = mid range [10 f
L
to f
U
/2]
U = upper range [f
U
/2 to f
U
]
Typical Performance Data
Frequency
(MHz)
Conversion
Loss
(dB)
LO
30.04
30.05
30.07
30.10
30.50
31.00
35.00
40.00
50.00
90.87
70.00
132.61
170.00
200.44
251.31
285.23
319.14
336.10
353.05
370.00
Isolation
L-R
(dB)
LO
+7dBm
>67.00
>67.00
>67.00
>67.00
>67.00
>67.00
>67.00
>67.00
>67.00
50.40
44.80
39.22
37.18
35.78
33.68
34.22
35.64
35.56
35.25
34.72
Isolation
L-I
(dB)
LO
+7dBm
>67.00
>67.00
>67.00
>67.00
>67.00
63.53
60.91
60.97
58.52
49.37
44.05
39.87
37.86
37.67
35.71
33.98
34.07
34.58
34.26
32.46
VSWR RF
Port
(:1)
LO
+7dBm
1.24
1.25
1.25
1.24
1.23
1.23
1.21
1.21
1.19
1.18
1.16
1.15
1.13
1.13
1.13
1.14
1.14
1.14
1.15
1.15
VSWR LO
Port
(:1)
LO
+7dBm
2.69
2.55
2.67
2.63
2.55
2.45
2.48
2.42
2.42
2.36
2.38
2.46
2.40
2.42
2.41
2.56
2.63
2.68
2.69
2.76
RF
0.04
0.05
0.07
0.10
0.50
LO
+7dBm
6.15
5.52
5.12
4.92
4.77
4.76
4.75
4.75
4.74
4.73
4.63
4.79
4.95
4.89
5.05
5.25
5.32
5.37
5.44
5.56
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
1.00
5.00
10.00
20.00
60.87
100.00
162.61
200.00
230.44
281.31
315.23
349.14
366.10
383.05
400.00
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-3+
DJ/TD/CP
060626
Page 1 of 2
Performance Charts
7.0
CONVERSION LOSS (dB)
6.5
6.0
5.5
5.0
4.5
4.0
0
100
200
FREQUENCY (MHz)
300
400
at IF Freq of 30 MHz
ZFM-3+
ZFM-3
80
ZFM-3
L-R ISOLATION
70
ISOLATION (dB)
60
50
40
30
20
0
100
200
300
FREQUENCY (MHz)
400
ZFM-3
CONVERSION LOSS
LO=+4 dBm
LO=+7 dBm
LO=+10 dBm
LO=+4 dBm
LO=+7 dBm
LO=+10 dBm
ZFM-3
L-I ISOLATION
80
70
ISOLATION (dB)
60
50
40
30
20
0
100
200
300
FREQUENCY (MHz)
ZFM-3
LO VSWR
5.0
4.5
4.0
VSWR
3.0
2.5
2.0
1.5
1.0
0
100
200
300
FREQUENCY (MHz)
400
VSWR
1.5
LO=+10 dBm
ZFM-3
RF VSWR
LO=+4 dBm
LO=+7 dBm
LO=+4 dBm
1.4
VSWR
1.3
1.2
1.1
1.0
400
LO=+7 dBm
LO=+10 dBm
0
100
200
300
FREQUENCY (MHz)
ZFM-3
IF VSWR
400
LO=+4 dBm
LO=+7 dBm
LO=+10 dBm
3.0
LO=+4 dBm
2.5
2.0
1.5
1.0
0
100
LO=+7 dBm
LO=+10 dBm
3.5
200
300
FREQUENCY (MHz)
400
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