DMF-8A Series
DO
UBLEBALANC D MIXE S
E
R
500 kHz to 2 G / +17 to +23 dBmLO/ +25 dBmThird O Intercept / Flatpack
Hz
rder
PRINCIPAL SPECIFICATIONS
Model
Number
DMF-8A-250
RF/LO
IF
Frequency, Frequency,
MHz
MHz
0.5 - 500
DC - 500
Operating
Range,
MHz
Conversion
Loss, dB,
Max. Typ.
Port Isolation, Min.
L-R
L-X
R-X Polarity
dB
dB
dB
Sense
Pos.
0.5 - 1
8.0
7.0
40
30
23
1 - 300
7.0
6.0
40
30
23
300 - 500
8.0
7.0
35
20
20
DMF-8A-500
10 - 1000
DC - 1000
10 - 50
7.5
6.5
35
30
25
50 - 500
7.5
6.5
30
25
20
500 -1000
8.5
7.5
25
15
15
DMF-8A-700
10 - 1500
DC - 1000
10 - 600
8.0
7.0
30
20
15
600 -1000
8.0
7.0
20
12
15
1000 -1500
9.5
8.5
20
12
8
DMF-8A-1700 500 - 2000
DC - 1000
500 - 2000
8.0
6.0
25
25
15
All specifications are as measured in a 50
Ω
system, at nominal LO power, in a down converter application
Package Outline
Pos.
Neg.
Neg.
GENERAL SPECIFICATIONS
LO Drive:
Impedance:
Noise Figure:
1 dB Comp. Point:
Input Intercept Point:
Maximum Input Power:
+20 dBm nom.
50
Ω
nom.
Within
±1
dB of
Conversion Loss
+13 dBm input typ.
+25 dBm typ.
600 mW @ 25°C
(derate linearly to 0 mW @ 125°C)
NOTES:
1. Tolerance on 3 place decimals
±
.010(.25) except as noted.
2. Dimensions in inches over millimeters.
3. Dimensions marked with * apply only at body.
4. All unmarked pins are case ground.
DC Offset Voltage:
5 mV typ.
Weight:
0.1 oz (2.8 g)
Operating Temperature: – 55° to +85°C
General Notes:
1. The DMF-8A series of Double Balanced Mixers covers the frequency range of 0.5 to 2000 MHz using an eight diode ring modulator to produce
a high level mixer with high third order intercept points.
2. Merrimac offers a broad selection of Double Balanced Mixers ideal for a variety of signal processing functions with frequencies ranging from
20 kHz to 20 GHz and for applications from the routine to the very special.
3. Merrimac mixers comply with MIL-M-28837 and may be supplied screened for compliance with additional specifications for military and space
applications requiring the highest reliability.
29Apr96
RRIMAC/ 41 Fairfield Pl., West Caldwell, NJ, 07006 /
F further inform
or
ation contact
ME
973-575-1300
/ FAX
973
575-0531
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