Custom MMIC

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

Visit us online at www.custommmic.com

The CMD261 is a general purpose double

balanced

mixer

die

with

ultra

wide

IF

bandwidth that can be used for up- and

downconverting applications between 30 and

46 GHz. The CMD261 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 +15 dBm. The CMD261

can easily be configured as an image reject

mixer or single sideband modulator with

external hybrids and power splitters.

► Low conversion loss

► High isolation

► Ultra wide IF bandwidth

► Passive double balanced topology

► Small die size

Features

Description

Functional Block Diagram

Parameter

Min

Typ

Max

Units

Frequency Range, RF

GHz

Frequency Range, IF

5

20

GHz

Conversion Loss

8

dB

LO to RF Isolation

30

dB

LO to IF Isolation

20

dB

RF to IF Isolation

23

dB

Input IP3

+21

dBm

30 – 46

Frequency Range, LO

16 – 31

GHz

Unless otherwise noted, all measurements performed as a downconverter, IF = 12 GHz USB

ver 1.2 0818

1

2

3

LO

RF

IF

CMD261

High IF Bandwidth Mixer