CHM2378A(2006) データシートの表示（PDF） - United Monolithic Semiconductors

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CHM2378A
(Rev.:2006)

W-band Dual Channel Mixer

United Monolithic Semiconductors 

CHM2378a

RoHS COMPLIANT

W-band Dual Channel Mixer

GaAs Monolithic Microwave IC

Description

The CHM2378a is a dual channel mixer.

Each mixer cell is a balanced structure

based on a six quarter wave ring. The non-

linear devices are high quality Schottky

diodes providing low conversion loss and

very low 1/f noise.

This circuit is manufactured with the BES-

MMIC process: 1 µm Schottky diode

device, air bridges, via holes through the

substrate, stepper lithography.

It is available in chip form.

Main Features

W-band LO and RF frequency range

Low conversion loss

IF from DC to 100MHz

High LO/RF isolation

High LO/AM noise rejection

Very low 1/f noise

Low LO input power

Automatic assembly oriented

Chip size: 1.98 x 2.07 x 0.10 mm

Main Characteristics

Tamb. = 25°C

RF1

LO

RF2

IF2

IF1

Dual channel mixer block diagram

-5

-6

-7

-8

-9

-10

-11

-12

-13

-14

-15

75

75,5

76

76,5

77

77,5

78

LO frequency (GHz)

Typical conversion characteristic

LO power = 8dBm ; IF=10MHz

(measurement in test fixture)

Symbol

F_lo, F_rf

F_if

Lc

I_lo/rf

N_if

Parameter

LO,RF frequency

IF frequency range

Conversion loss

LO/RF isolation

IF noise @ 100kHz

Min Typ

76

76.5

DC-100

7.5

25

-162

Max

77

9.5

Unit

GHz

MHz

dB

dB

dBm/Hz

ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions!

Ref. : DSCHM2378a6354 - 20 Dec 06

1/8

Specifications subject to change without notice

United Monolithic Semiconductors S.A.S.

Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France

Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09

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