參數(shù)資料
型號(hào)： AWT918
廠商： ANADIGICS INC
元件分類： 放大器
英文描述： RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER
文件頁(yè)數(shù)： 2/15頁(yè)
文件大?。?/td> 192K
代理商： AWT918
This Advanced Product Information sheet contains technical information about product ANADIGICS is planning to introduce. The data and
product specifications are subject to change prior to formal introduction. Please note : This device is not to be used for device qualification or
production.
35 Technology Drive, Warren NJ 07059
(908)-668-5000 FAX: (908)-668-5132, mktg@anadigics.com AWT918 05/28/98
10
GSM900 SCHEMATIC
28
27
26
25
24
19
18
17
16
15
14
13
12
11
10
5
4
3
2
1
V
D1
RFIN GSM
VREF
VDB
VG1
VG2
RF
OUT
9
VD3
V
D2
C1
C2
C3
C4
C5
C6
R2
L3
C11
C20
C15
C12
C19
NOTES:
1. C3 placed as close to device lead 1 as possible.
2. C12 placement is critical, see fixture dwg.
3. These components are currently placed off the PC Board.
R3
(TEST POINT ONLY)
L1
L4
L5
(TEST POINT ONLY)
C16
NOTE3
NOTE 1
NOTE 2
TURN ON SEQUENCE:
1. Turn V
SS on first.
2. Set VC to 0.0V for GSM operation.
3. Turn VDB, VD1, VD2, and VD3 on next.
4. Pluse VREF on and adjust for power.
TURN OFF SEQUENCE IN REVERSE ORDER OF ABOVE
DUT
V
SS
C7
RFIN DCS
C17
NOTE 3
VC
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
L1
L2
R2
R3
V
REF
DESCRIPTION
470 pF
N/A
2200 pF
N/A
470 pF
2200 pF
8.2 nH
7.5 K
12 K
V
+ 4.8 V (V
, V
)
- 4.0 V
+ 4.8 V
22 pF
2200 pF
33 pF
N/A
33 pF
10 pF ATC
470 pF
L3
L4
L5
Ferrite Chip
C19
C20
10000 uf (V
)
GSM
BIAS RESISTOR VALUES
7.5 K
12 K
DCS
V
0 V
+2.5 V
V
ADJUST
2200 pF
N/A
4700 uf (V
)
D3
D2
C
REF
DS
SS
DB
D1
D2
D3
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