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CGY 184
GaAs MMIC
Preliminary Data
l Power amplifier for PCN applications
l 2.5 W (34dBm) output power at 3.5 V
l Overall power added efficiency 43 %
l Fully integrated 4 stage amplifier
l Power ramp control
l Input matched to 50 ohms, simple output match
ESD: Electrostatic discharge sensitive device,
observe handling precautions!
Type
CGY 184
Marking
CGY 184
Ordering code
(taped)
Q62702G62
Package 1)
MW 16
Maximum ratings
Characteristics
Positive supply voltage
Supply current
Channel temperature
Storage temperature
Pulse peak power dissipation
duty cycle 12.5%, ton=0.577ms
Total power dissipation (Tc  ƒ&
Tc: Temperature on case
Thermal Resistance
Characteristics
Junction-Case 2)
1) Dimensions see page 14
2) see also page 9
Symbol
VD
ID
TCh
Tstg
PPulse
Ptot
max. Value
9
4
150
-55...+150
tbd
8.5
Unit
V
A
°C
°C
W
W
Symbol
RthJC
max. Value
≤8.5
Unit
K/W
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CGY 184
Functional block diagram
Vneg(15)
Vc
on
(2
)
VD1(4)
control circuit
Pin(3)
VD2(7)
VD3(8)
Pout/VD4 (9,10,11
GND1(5)
GND2(6)
GND3(17)
Pin #
1
2
3
4
5
6
7
8
9,10,11
12
13
14
15
16
(17)
Configuration
n. c.
Vcon Control voltage for power ramping
PIN RF-input
VD1 Drain voltage 1st stage
Gnd1 Ground pin 1st stage
Gnd2 Ground pin 2nd stage
VD2 Drain voltage 2nd stage
VD3 Drain voltage 3rd stage
POUT/VD4 Drain voltage 4th stage and RF-output
n. c.
n. c.
n. c.
Vneg Block capacitor negativ voltage generator
n. c.
GND3 Ground (backside of MW16 housing)
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CGY 184
Electrical characteristics
(TA = 25°C , f=1.75 GHz, ZS=ZL=50 Ohm, VD=3.5V, Vaux=3.5V, Vcontrol=2.5V, unless
otherwise specified; pulsed with a duty cycle of 12.5%, ton=577usec)
Characteristics
Supply current
VD=3.5V; Pin=0dBm
Supply current neg. voltage gener.
Vaux=3.5V
Control Current
Shut-off current
( Vc=0V, VD=3.5V, no RF- drive )
Small signal gain
Pin =-10dBm
Power gain
VD=3.5V; Pin=0dBm
Output Power
VD=3.5V; Pin=0dBm
Power gain
VD=3.5V; Pin=0dBm, T=85°C
Output Power
VD=3.5V; Pin=0dBm, T=85°C
Overall Power added Efficiency
VD=3.5V; ; VC=2.5V; Pin=0dBm
Dynamic range (Pout,max-Pout,min)
VC= 0.5....2.5V
Harmonics
VC=2.2V, Pin=0dBm
2f0
3f0
RX-Noise Power
VC=2.2V; Pin=0dBm ;
fRX=1.805....1.88GHz
Input VSWR
VD=3.5V
Symbol
IDD
Iaux
IC
ID
G
G
Po
G
Po
-
min
-
-
-
-
-
-
-
-
-
-
-
-
-
typ
1.67
10
2
40
40
34
34
33.7
33.7
43
80
-60
-40
-80
1.8 : 1
max
-
Unit
A
- mA
3 mA
µA
- dB
- dB
- dBm
- dB
- dBm
-%
- dB
- dBc
-
- dBm/
100kHz
--
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CGY 184
DC-ID(Vneg) characteristics – typical values of stage 1 and 2, VD=3V
High current
Medium current
Low current
-5 -4,5 -4 -3,5 -3 -2,5 -2 -1,5 -1 -0,5
Vneg [V]
0,35
0,3
0,25
ID
[A]
0,2
0,15
0,1
0,05
0
0
DC-Output characteristics – typical values of stage 1 and 2
0,25
Vneg=-0.25
0,2
-0.50 V
Ptot=223.7m W
-0.75 V
0,15
-1.00 V
-1.25 V
0,1
-1.50 V
-1.75 V
0,05
-2.00 V
-2.25 V
0
0 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5
VD [V]
Pin 2( Vcon ) has to be open during measuring DC-characteristics
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CGY 184
DC-ID(Vneg) characteristics – typical values of stage 3, VD=3V
2
High current
Medium current
Low current
1,8
1,6 ID
[A]
1,4
1,2
1
0,8
0,6
0,4
0,2
0
-5 -4,5 -4 -3,5 -3 -2,5 -2 -1,5 -1 -0,5 0
Vneg [V]
DC-Output characteristics – typical values of stage 3
1,4
Vneg=-0.25
1,2
-0.50 V
Ptot=1.34 W
1
-0.75 V
0,8 -1.00 V
-1.25 V
0,6
-1.50 V
0,4 -1.75 V
-2.00 V
0,2
-2.25 V
0
0 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5
VD [V]
Pin 2( Vcon ) has to be open during measuring DC-characteristics
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