CHT4699-99F
36-44GHz Variable Attenuator
GaAs Monolithic Microwave IC
Description
The CHT4699-99F is a monolithic 36- 44GHz
Variable Voltage Attenuator.
It is designed for a wide range of
applications, from military to commercial
communication systems.
RF_IN
RF_OUT
The circuit is manufactured with a MESFET
process, 0.7µm gate length, via holes
through the substrate, air bridges.
It is available in chip form.
V1
V2
0
Main Features
■ Broadband performances: 36-44GHz
■ Minimum attenuation: 4dB
■ 30dB dynamic range
■ 27dBm input IP3
■ DC bias: -5 to 0V
■ Chip size 2.41x1.5x0.1mm
dBS21 (dB)
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
-32
-34
35.0
A
B
A: V1 from -5V to 0V & V2= -5V
B: V1= 0V & V2 from -5V to 0V
37.5
40.0
42.5
Frequency (GHz)
45.0
47.5
50.0
Main Electrical Characteristics
Tamb.= +25°C
Symbol
Parameter
Freq
Frequency range
Min Att
Minimum attenuation with V1=V2= -5V
Dyn Att
Dynamic range of attenuation
IIP3
Input IP3 all attenuation
Min
36.0
Typ
-4
30
27
Max
44.0
Unit
GHz
dB
dB
dBm
Ref. : DSCHT46992090 - 30 Mar 12
1/12
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
