Custom MMIC

300 Apollo Drive Chelmsford, MA 01824 Phone (978) 467-4290 Fax (978) 467-4294

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The CMD178C3 is a general purpose double

balanced mixer in a leadless surface mount

package that

can

be used

for

up- and

downconverting applications between 11 and

20 GHz.

The CMD178C3 has very high

isolation to both the RF and IF ports due to the

optimized balun structures, and can operate

with an LO drive level as low as +9 dBm. The

CMD178C3 can easily be configured as an

image

reject

mixer

or

single

sideband

modulator with external hybrids and power

splitters.

► Low conversion loss

► High isolation

► Wide IF bandwidth

► Passive double balanced topology

► Pb-free RoHs compliant 3x3 mm SMT package

Features

Description

Functional Block Diagram

Parameter

Min

Typ

Max

Units

Frequency Range, RF & LO

GHz

Frequency Range, IF

DC

6

GHz

Conversion Loss

6

dB

LO to RF Isolation

45

dB

LO to IF Isolation

45

dB

RF to IF Isolation

26

dB

Input P1dB

9

dBm

11 - 21

Unless otherwise noted, all measurements performed as a downconverter, IF = 100 MHz

ver 1.5 1017

CMD178C3

CMD178C3

CMD178C3

11-21 GHz Fundamental Mixer