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M ERRIM AC,41 FairfieldPl.,W estCaldw ell,NJ,07006,973-575-1300 /FAX 973-575-0531

General Notes:

The DMM-2 series of Double Balanced Mixers covers the frequency

range of 1 to 1400 MHz using selected diodes in the ring modulator to

produce a low level mixer with high performance.

DMM-2 Series

DOUBLE BALANCED MIXER

PRINCIPAL SPECIFICATIONS

RF/LO

IF

Operating

Conversion

Port Isolation, Min.

Model

Frequency,

Frequency,

Range,

Loss, dB,

L-R

L-X

R-X

Polarity

Number

MHz

MHz

MHz

Max.

Typ.

dB

dB

dB

Sense

DMM-2-250

1 - 500

DC - 500

1 - 100

7.5

6.5

45

35

15

Pos.

100 - 400

7.5

6.5

30

20

15

400 - 500

9.0

7.5

30

20

15

DMM-2-500 10 - 1000

DC - 500

10 - 200

7.5

6.5

45

35

15

Pos.

200 - 500

7.5

7.0

30

15

15

500 - 1000

8.0

7.0

30

15

15

DMM-2-750 20 - 1400

DC - 500

20 - 200

8.5

7.5

40

30

15

Pos.

200 - 1000

8.5

7.5

25

15

10

1000 -1400

9.5

8.5

25

15

10

All specifications are as measured in a 50

Ω system, at nominal LO power, in a downconverter application

NOTES:

1. Tolerance on 3 place decimals

2. Dimensions in inches over millimeters.

3. Weight: 0.65 oz (18 g).

4. SMA female, to mate with male per MIL-C-39012.

23Feb96

Typical of DMM-2-250 & 750

1 to1400 MHz/+7 to+13 dBm LO /SM A Connectors

GENERAL SPECIFICATIONS

Impedance:

50

Ω nom.

Noise Figure:

Within

±1 dB of

Conversion Loss

LO Drive:

+7 nom.

1 dB Compression Point:

0 dBm typ.

1 dB Desensitization Level: – 2 dBm

Input Intercept Point:

+12 dBm typ.

Operating Temperature:

– 55° to +85°C