CHT3091A-99F/00 [UMS]
DC-40GHz ATTENUATOR; DC- 40GHz的衰减器
| 型号： | CHT3091A-99F/00 |
| 厂家： | 
UNITED MONOLITHIC SEMICONDUCTORS |
| 描述： | DC-40GHz ATTENUATOR |
| 文件： | 总4页 (文件大小：87K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CHT3091a
DC-40GHz ATTENUATOR
GaAs Monolithic Microwave IC
Description
The CHT3091a is
a
variable DC-40GHz
attenuator designed for
a wide range of
applications, from military to commercial
communication systems. The backside of the
chip is both RF and DC grounds. This helps
simplify the assembly process.
The circuit is manufactured with a MESFET
process, 0.7µm gate length, via holes through
the substrate and air bridges.
.
Main Features
■ Broadband performances : DC-40GHz
■ 15dBm minimum input 1dB compression point
( any attenuation)
■ DC bias : -5V<VS<0V ; -5V<VP<0V
■ Chip size : 0.91 x 0.86 x 0.10 mm
Main Characteristics
Tamb. = 25°C
Symbol
Fin
Parameter
Min
Typ
Max
Unit
GHz
dB
Input frequency range
Minimum attenuation |S21| (VS=0V;VP=-5V)
DC
40
Min Att.
3
Max Att. Maximum attenuation |S21| (VS=-5V;VP=0V)
VSWRin Input VSWR (any attenuation)
20
dB
2.:1
2.:1
VSWRout Output VSWR (any attenuation)
Pin1dB
Input 1dB compression point.(any attenuation)
15
dBm
ESD Protection : Electrostatic discharge sensitive device. Observe handling precautions !
Ref. : DSCHT30911074 -15-Mar.-01
1/4
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
DC-40GHz Attenuator
CHT3091a
Absolute Maximum Ratings
Tamb. = 25°C (1)
Symbol
VP
Parameter
Values
-6V
Unit
V
VP control voltage
VS
VS control voltage
-6V
V
Pin
RF input power
20
dBm
°C
Ta
Operating temperature range
Storage temperature range
-40 to +85
-55 to +155
Tstg
°C
(1)
Operation of this device above anyone of these parameters may cause permanent damage.
Chip Assembly and Mechanical Data
Note : Supply feed should be capacitively bypassed. 25µm diameter gold wire is to be prefered.
Bonding pad positions.
( Chip thickness : 100µm. All dimensions are in micrometers )
Ref. : DSCHT30911074 -15-Mar.-01
2/4
Specifications subject to change without notice
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
DC-40GHz Attenuator
CHT3091a
Typical Results
Chip Typical Response ( On wafer Sij ) :
Tamb = +25°C
Vp = 0V to -5V & Vs = -5V to 0V
0
-2
CHT3091
Insertion Loss vs Control Voltages
as Function of FREQUENCY ( GHz )
-4
-6
-8
-10
-12
-14
-16
Frequency ( GHz )
-18
-20
-22
-24
-26
-28
-30
5
10
20
30
40
-5
-4
-3
-2
-1
0
Vp Control Voltage ( Volt ) with Vs = -5 - Vp
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
CHT3091
Gain control
0
5
10
15
20
25
30
35
40
45
50
55
60
Frequency ( GHz )
vvRef. : DSCHT30911074 -15-Mar.-01
3/4
Specifications subject to change without notice
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
DC-40GHz Attenuator
CHT3091a
0
-2
-4
-6
CHT3091
Input Return Loss
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
0
5
10
15
20
25
30
35
40
45
50
55
60
Frequency ( GHz )
0
-2
-4
-6
CHT3091
Output Return Loss
-8
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
0
5
10
15
20
25
30
35
40
45
50
55
60
Frequency ( GHz )
Ordering Information
Chip form
:
CHT3091a-99F/00
Information furnished is believed to be accurate and reliable. However United Monolithic Semiconductors
S.A.S. assumes no responsibility for the consequences of use of such information nor for any infringement of
patents or other rights of third parties which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of United Monolithic Semiconductors S.A.S.. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. United Monolithic Semiconductors S.A.S. products are not authorised for use
as critical components in life support devices or systems without express written approval from United
Monolithic Semiconductors S.A.S.
Ref. : DSCHT30911074 -15-Mar.-01
4/4
Specifications subject to change without notice
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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