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參數(shù)資料
| 型號： | AH201 |
| 元件分類： | 放大器 |
| 英文描述： | 50 MHz - 2200 MHz RF/MICROWAVE WIDE BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 6 X 6 MM, PLASTIC, MO-220VJJC, QFN-10 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 1233K |
| 代理商： | AH201 |
Specifications and information are subject to change without notice
WJ Communications, Inc
Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: sales@wj.com Web site: www.wj.com
Page 3 of 7 September 2005
AH201
Medium Power, High Linearity Amplifier
Product Information
The Communications Edge
TM
Application Circuit PC Board Layout and Schematic
for 900 MHz, 1900 MHz, and 2140 MHz Reference Designs
Pin 4 is used as a location for internal matching
with bond wires. This pin should not be
grounded for proper operation.
Gap is .010”. Pad is .044” x .057”.
Trace at the edge of the pad is .038 wide and tapers
to .023 wide to match width of pin 4.
Notes:
Via holes are omitted for clarity.
The microstrip line is weakly co-planer. Ground planes around it are
not necessary for operation of the AH201.
Adequate heat sinking is required for the device. Further mounting
instructions are shown in the “Mounting Configuration”.
The RF choke should be a wirewound ceramic type to insure sufficient
current carrying capacity. TOKO’s LLQ1608 series is recommended.
Pin 4 should contain a stub as shown above.
Component values
Frequency
900 MHz
1900 MHz
2140 MHz
C1, C2, C3
100 pF
56 pF
C6
2.2 pF
0.5 pF
no load
C7
no load
1.1 pF
C8
no load
1.0
no load
L1
33 nH
22 nH
18 nH
L2
3.3 nH
0
Ω
0
Ω
C1
C6
L2
AH201
L1
C2
C3
C4
C5
GND
Vs
RF In
RF Out
C7 C8
.232”
.289”
Board Material: 14 mil GETEK (
ε
r = 4.2)
Total thickness: 62 mil
Line Width:
28 mil
Line Spacing:
36 mil
AH201
PIN 2
PIN 9
C1
RF OUT
VS = +11 V
ID = 350 mA
L2
C2
L1
RF IN
C4
1000 pF
0805
C5
.01
μF
1206
C6
C8
C3
C7
Typical Performance
Parameters
Units
Typical
Frequency
MHz
900
1900
2140
Gain
dB
17
15
Input Return Loss
dB
20
9.1
9.2
Output Return Loss
dB
18
15
18
Output P1dB
dBm
+30.0
+29.7
+29.4
Output IP3
dBm
+47
+46
Noise Figure
dB
2.5
3.8
4.2
IS-95 Channel Power
3
@ -45dBc ACPR
dBm
+24
Supply Bias
+11 V @ 350 mA
Circuit Board Material: .014” Getek, 4 layers (other layers added for
rigidity),
.062” total thickness, 1 oz copper
Microstrip line details: width = .028”, spacing = .036”
The stub on pin 4 is added for additional external matching.
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