參數(shù)資料
型號(hào)： CGY181
廠商： SIEMENS A G
元件分類： 衰減器
英文描述： GaAs MMIC (Power amplifier for PCN/PCS applications Fully integrated 2 stage amplifier)
中文描述： 1750 MHz - 1750 MHz RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER
文件頁(yè)數(shù)： 2/14頁(yè)
文件大?。?/td> 138K
代理商： CGY181
GaAs MMIC
CGY 181
________________________________________________________________________________________________________
Siemens Aktiengesellschaft
pg. 2/14
01.02.96
HL EH PD 21
Functional block diagramm:
Short description of CGY181
operation:
A negative voltage between -4V to -6V
(stabilization not necessary) has to be
connected to the VG-pin, a positive
supply voltage has to be applied to the
VD-pins.
The VTR-pin has to switched to 0V
(GND) during transmit operation. The
MMIC CGY181 is self-biased, the
operating current is adjusted by the
internal control circuit.
In receive mode the VTR-pin is not
connected (shut off mode).
Pin #
Configuration
1
VG
Negative voltage at control circuit (-4V...-8V)
2
VTR
Control voltage for transmit mode (0V) or receive mode (open)
3,4,5,10
GND 2
RF and DC ground of the 2nd stage
6,9
GND 1
RF and DC ground of the 1st stage
7
VD1
Positive drain voltage of the 1st stage
8
RFin
RF input power
11
VD2,RFout
Positive drain voltage of the 2nd stage, RF output power
12
-
not connected
DC characteristics
Characteristics
Symbol Conditions
min
typ
max
Unit
Drain current stage 1
IDSS1
VD=3V, VG=0V, VTR n.c.
0.6
0.9
1.2
A
stage 2 IDSS2
2.4
3.5
4.8
A
Drain current with
active current control
ID
VD=3V, VG=-4V, VTR=0V
1.0
A
Transconductance
gfs1
VD=3V, ID=350mA
0.28
0.32
-
S
(stage 1 and 2)
gfs2
VD=3V, ID=700mA
1.1
1.3
-
S
Pinch off voltage
Vp
VD=3V, ID<500
μ
A
(all stages)
-3.8
-2.8
-1.8
V
Pin (8)
Pout (11)
GND1 (6,9)
GND2
(3, 4, 5, 10)
VD1 (7)
VD2 (11)
VG (1)
Control
Circuit
VTR (2)
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