CHX2091
20-40GHz Frequency Multiplier
GaAs Monolithic Microwave IC
Description
The CHX2091 is a cascadable by 2 frequency
multiplier monolithic circuit.
It is 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 PM-HEMT
process, 0.25µm gate length, via holes through the
substrate, air bridges and electron beam gate
lithography.
Typical measurement
X2
Output power (dBm)
Main Features
■
Broadband performances :Fin 17-20GHz
■
12dBm output power for +12dBm input power
■
DC bias : Vd=3.5Volt@Id=50mA
■
Chip size : 1.67 x 0.97 x 0.10 mm
15
10
5
0
-5
-10
-15
-20
-25
-30
16
17
18
19
20
21
22
23
Pout (2*Fin)
Pout (Fin)
Input Frequency (GHz)
Main Characteristics
Tamb. = 25°C
Symbol
Fin
Fout
Pin
Pout
Parameter
Input frequency range
Output frequency range
Input power
Output power for +12dBm input power
Min
17
34
Typ
Max
20
40
Unit
GHz
GHz
dBm
dBm
12
10
12
ESD Protection : Electrostatic discharge sensitive device. Observe handling precautions !
Ref. : DSCHX20911208-27-Jul.-01
1/5
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
CHX2091
Electrical Characteristics
20-40GHz Frequency Multiplier
Tamb = +25°C, Vdd = 3.5V Vg1 = -0.9V Vg2 tuned for Id=50mA ( # -0.4V ) Pin = +12dBm
Symbol
Fin
Fout
Pin
Pout
Is/Fo
VSWRin
Parameter
Input frequency range
Output frequency range
Input power
Output power for +12dBm input power
Fin rejection at the output ( 18 < Fin < 20GHz)
Input VSWR
Min
17
34
Typ
Max
20
40
Unit
GHz
GHz
dBm
dBm
dBc
12
10
12
25
15
2.5:1
2.5:1
50
70
mA
VSWRout Output VSWR
Id
Bias current with RF , Pin=+12dBm
Absolute Maximum Ratings
Tamb = +25°C
Symbol
Vd
Id
Vg
Pin
Ta
Tstg
Drain bias voltage
Drain bias current
Gate bias voltage
Input Power
Operating temperature range
Storage temperature range
Parameter
Values
5
120
-2 to +0.4
17
-40 to +85
-55 to +155
Unit
V
mA
V
dBm
°C
°C
(1) Operation of device above anyone of these parameters may cause permanent damage.
Ref. : DSCHX20911208-27-Jul.-01
2/5
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
20-40GHz Frequency Multiplier
Typical on jig Measurements
Bias conditions : vd = 3.5V , Vg1 = -0.9V , Vg2 tuned for Id = 50mA ( # -0.4V )
CHX2091
Pout = f(Fin) for Pin=12dBm
15
10
Pout (2*Fin)
5
Output power (dBm)
0
-5
-10
-15
Pout (Fin)
-20
-25
-30
16
17
18
19
20
21
22
23
Input Frequency (GHz)
P out =F(P in) tem perature dependance for Fin=20G H z
15
14
13
12
11
-10
-5
Pout 2*Fin (dBm)
9
8
7
6
5
4
3
2
1
0
5
6
7
8
9
10
11
12
13
14
15
16
17
-30
-25
-20
F out=2XF in (-40°C )
F out=2XF in (+80°C )
F out=F in (25°C
F out=2XF in (25°C )
F out=F in (-40°C )
F out=F in (+80°C )
-35
-40
P in (d B m )
Pout = f(vd) for Pin = 12dBm Fin = 20GHz
Vg2 tuned for Id = 50mA ( # -0.4V )
14
12
10
Pout 2*Fin (dBm)
8
6
4
2
0
2
2.2
2.4
2.6
2.8
3
Vd (V)
3.2
3.4
3.6
3.8
4
Pout ( Fin )
Pout ( 2*Fin )
0
-5
-10
Pout Fin (dBm)
-15
-20
-25
-30
-35
Pout = f(Vg2) for Pin = 12dBm, Fin = 20GHz & Vd = 3,5V
14
12
10
8
Pout 2*Fin (dBm)
6
4
2
0
-2
-4
-6
-8
-1.6
-1.4
-1.2
-1
-0.8
Vg2 (V)
-0.6
-0.4
-0.2
0
Pout (Fin)
Pout (2*Fin)
Pout Fin (dBm)
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
Pout Fin (dBm)
10
-15
Ref. : DSCHX20911208-27-Jul.-01
3/5
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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CHX2091
Chip Assembly and Mechanical Data
Vd = 3.5V
20-40GHz Frequency Multiplier
Vg1 = -0.9V Vg2 tuned for Id = 50mA ( # -0.4V )
To Vg1 DC Gate supply feed
To Vg2 DC Gate supply feed
To Vd DC Drain
supply feed
100pF
100pF
100pF
IN
x2
OUT
Note : Supply feed should be capacitively bypassed. 25µm diameter gold wire is to be prefered.
Pad Size : 100 x 100µm
1670 +/- 35
1410
1070
740
490
970 +/- 35
415
415
Bonding pad positions.
( Chip thickness : 100µm. All dimensions are in micrometers )
Ref. : DSCHX20911208-27-Jul.-01
4/5
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
20-40GHz Frequency Multiplier
CHX2091
Ordering Information
Chip form
:
CHX2091-99F/00
Information furnished is believed to be accurate and reliable. However
United Monolithic Semiconductors S.A.S.
assumes no responsability 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. : DSCHX20911208-27-Jul.-01
5/5
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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