GaAs MMIC
CGY 120
________________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 1/7
17.09.96
HL EH PD21/G
D a t a s h e e t
* Monolithic microwave IC
(MMIC-Amplifier) for mobile communication
* Variable gain amplifier for GSM/PCN
applications
* Gain Control range over 50dB
* 50
input and output matched
* Low power consumption
* Operating voltage range: 2.7 to 6 V
* Frequency range 800 MHz ... 2.5 GHz
ESD:
Electrostatic discharge sensitive device,
observe handling precautions!
6
5
4
3
2
1
Vd1
RF-GND
RF-in; -Vg
RF-GND
Vd2; RF-out
Vcontrol
Type
Marking
Ordering code
(taped)
Package 1)
CGY 120
Y8
Q62702-G44
MW-6
Maximum ratings
Symbol
Unit
Drain voltage
VD
8
V
Negative supply voltage
Vg, Vcon
-3
V
Channel temperature
TCh
150
C
Storage temperature range
Tstg
-55...+150
C
Total power dissipation
(TS < 84C)
2)
Ptot
600
mW
Thermal resistance
Channel-soldering point (GND)
RthchS
< 110
K/W
1) Dimensions see chapter Package Outlines
2) Please care for sufficient heat dissipation on the pcb!
Rev 2
GaAs MMIC
CGY 120
________________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 2/7
17.09.96
HL EH PD21/G
Electrical characteristics
TA = 25C f = 900 MHz
RS = RL = 50
unless otherwise specified
Characteristics
Symbol
min
typ
max
Unit
Power Gain
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
G
-
-
22
24
-
-
dB
Input return loss
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
RLin
-
-
14
15
-
-
dB
Output return loss
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
RLout
-
-
11
11
-
-
dB
Gain Control Range
Vcon=2 V ... -2V; Vd=3V; I=45mA
dG
50
55
-
dB
1dBm gain compression
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
P1dB
14
21
dBm
Electrical characteristics
TA = 25C f = 1800 MHz
RS = RL = 50
unless otherwise specified
Characteristics
Symbol
min
typ
max
Unit
Power Gain
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
G
-
-
20
22
-
-
dB
Input return loss
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
RLin
-
-
10
10
-
-
dB
Output return loss
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
RLout
-
-
8
8
-
-
dB
Gain Control Range
Vcon=2 V ... -2V; Vd=3V; I=45mA
dG
50
55
-
dB
1dBm gain compression
Vd=3V; I=45mA; Vcon=2V
Vd=5V; I=70mA; Vcon=2V
P1dB
14
20
dBm
GaAs MMIC
CGY 120
________________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 3/7
17.09.96
HL EH PD21/G
Application Circuit
f=800MHz to 2GHz
C1 , C2 Siemens B37490-K5120-J62
R1 Siemens B54102-A1471-J60
L1 Coilcraft 0805CS-270XMBC
C4 Siemens B37940-K5220-J62
R2 Siemens B53102-A1511-J60
L2 Coilcraft 0805CS-220XMBC
C3 , C5 Siemens B37940-K5681-J62
For optimized device performance, Vg has to be adapted (Vg
-1V...0V) to I
45mA at Vd-supply
under condition Vcontrol=+2V.
Gain vs. Vcontrol
Operating Conditions : Vd=3V, Id=45mA, Pin=-20dBm
Frequency
900 MHz
1.8 GHz
L1
27 nH
27 nH
L2
22 nH
22 nH
C1
12 pF
12 pF
C2
12 pF
12 pF
C3
680 pF
680 pF
C4
22 pF
22 pF
C5
680 pF
R1
470 Ohm
470 Ohm
R2
510 Ohm
510 Ohm
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-50
-40
-30
-20
-10
0
10
20
30
-2
-1,5
-1
-0,5
0
0,5
1
1,5
2
Vcontrol [V]
Gain [dB]
900MHz
1.8GHz
GaAs MMIC
CGY 120
________________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 4/7
17.09.96
HL EH PD21/G
Test setup for measuring S-parameters
f=10MHz to 3GHz
Bias Tee
Bias Tee
Ref. Plane
Output
Ref. Plane
Input
For optimized device performance, Vg has to be adapted (Vg
-1V...0V) to I
45mA at Vd-supply
under condition Vcontrol=+2V.
GaAs MMIC
CGY 120
________________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 5/7
17.09.96
HL EH PD21/G
Measurement conditions: Vd=3V, Id=45mA, Vcon=2V
# GHz S MA R 50
!f GHz S11 S21 S12 S22
! MAG ANG MAG ANG MAG ANG MAG ANG
0.100 0.84 -31.2 4.97 85.4 0.00512 155.7 0.31 81.6
0.200 0.68 -60.8 11.53 49.2 0.01753 100.4 0.32 2.9
0.300 0.51 -80.7 14.66 21.6 0.02396 71.8 0.30 -45.5
0.400 0.41 -96.1 16.30 1.7 0.02601 57.7 0.28 -76.5
0.500 0.34 -110.9 17.39 -15.1 0.02739 51.2 0.27 -99.4
0.600 0.29 -127.3 18.25 -30.4 0.02791 46.5 0.27 -118.4
0.700 0.29 -148.9 19.28 -43.7 0.02873 41.7 0.26 -141.0
0.800 0.24 -179.9 19.69 -60.9 0.02804 40.0 0.25 -159.3
0.900 0.21 146.5 19.56 -78.2 0.02608 40.9 0.21 -179.2
1.000 0.20 120.6 18.58 -94.5 0.02722 43.4 0.18 169.0
1.100 0.23 93.7 17.31 -110.6 0.02705 43.1 0.16 147.5
1.200 0.26 71.8 15.51 -125.2 0.02537 44.5 0.14 124.4
1.300 0.29 55.1 13.62 -138.6 0.02493 49.1 0.12 100.0
1.400 0.32 42.2 11.80 -150.5 0.02380 55.7 0.12 74.7
1.500 0.35 31.4 10.12 -160.7 0.02389 63.9 0.12 51.9
1.600 0.37 22.4 8.55 -170.6 0.02441 69.4 0.14 31.2
1.700 0.36 13.2 7.46 -174.4 0.02464 79.2 0.12 6.7
1.800 0.36 9.4 6.65 177.5 0.02872 87.1 0.12 7.1
1.900 0.36 6.6 5.88 170.8 0.03307 90.8 0.13 2.5
2.000 0.37 3.9 5.20 164.3 0.03675 94.9 0.14 -0.5
2.100 0.37 1.3 4.59 158.3 0.04202 97.5 0.15 -2.8
2.200 0.37 -1.2 4.13 152.9 0.04801 99.2 0.16 -4.7
2.300 0.37 -3.5 3.67 147.5 0.05315 100.8 0.17 -8.1
2.400 0.37 -5.1 3.31 142.6 0.05874 101.6 0.17 -10.9
2.500 0.37 -6.9 2.95 138.3 0.06440 101.6 0.17 -12.9
2.600 0.36 -10.0 2.74 134.1 0.07210 102.5 0.17 -14.8
2.700 0.35 -13.2 2.51 129.8 0.07855 102.5 0.16 -18.7
2.800 0.33 -14.5 2.34 124.8 0.08686 103.1 0.15 -20.6
2.900 0.32 -16.4 2.16 119.1 0.09724 102.5 0.15 -21.5
3.000 0.30 -17.9 1.97 113.8 0.10700 101.6 0.15 -25.0
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