參數(shù)資料
型號： AWT918
廠商： ANADIGICS INC
元件分類： 放大器
英文描述： RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER
文件頁數(shù)： 7/15頁
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
15
GSM 1900 (PCS) Test Fixture
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
L1
L2
R2
R3
VDS
REF
DESCRIPTION
470 pF
10 pf
Strap
2200 pF
1 pF
470 pF
2200 pF
8.2 nH
7.5 K
12 K
NOTES:
1. C3 placed as close to device lead 1 as possible.
2. C10, C12 & C14 placement is critical.
3. C16 & C17 are currently placed off the PC Board.
4. Internal components, shown for clarity.
5. V
, V , V
& V
NEED TO HAVE
VSS
VDB
+ 4.8 V (VD1, VD2, VD3)
- 4.0 V
+ 4.8 V
22 pF
2200 pF
N/A
10 pF
N/A
2.7 pF
470 pF
L3
L4
L5
Ferrite Chip
C19
C20
10000 uf (VD3)
Amps
BIAS RESISTOR VALUES
7.5 K
12 K
PCS
VC
0 V
+2.5 V
TURN ON SEQUENCE:
1. Turn V
on first.
2. Set V to + 3.0 V for PCS operation.
4. Pulse V
on and adjust for power level.
TURN OFF SEQUENCE IN REVERSE ORDER OF ABOVE
VREF
ADJUST
N/A
1 pF
4700 uf (VD2)
ZERO CAPACITANCE FEED THROUGHS.
V
INHI
C7
C5
V
INLO
C6
STRAP
V
C20
V
L5
C19
V
L4
C15
C13
C14
L3
C4
V
C3
C2
V
C1
V
OUTLO
GS36J10
OUTHI
C12
V
C11
C10
SS
.
C
DB
D1
D2
D3
REF
C
G1
G2
SS
D2
D3
DB
REF
C
D1
G1
G2
3. Turn V
,V , V , and V
on next.
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