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參數(shù)資料
| 型號(hào)： | ECG055C-PCB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | The Communications Edge |
| 中文描述： | 通信邊緣 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大?。?/td> | 311K |
| 代理商： | ECG055C-PCB |
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
December 2004
ECG055
InGaP HBT Gain Block
Product Information
The Communications Edge
TM
Recommended Application Circuit
ECG055B-PCB
ECG055C-PCB
Recommended Component Values
Frequency (MHz)
500
900
220 nH
68 nH
1000 pF
100 pF
Reference
Designator
L1
C1, C2, C4
50
1900
27 nH
68 pF
2200
22 nH
68 pF
2500
18 nH
56 pF
3500
15 nH
39 pF
820 nH
.018 μF
1. The proper values for the components are dependent upon the intended frequency of operation.
2. The following values are contained on the evaluation board to achieve optimal broadband performance:
Ref. Desig.
Value / Type
L1
39 nH wirewound inductor
C1, C2
56 pF chip capacitor
C3
0.018
P
F chip capacitor
C4
Do Not Place
R4
18
:
1% tolerance
Size
0603
0603
0603
0805
Recommended Bias Resistor Values
Supply
Voltage
6 V
18.5 ohms
7 V
33.8 ohms
8 V
49 ohms
9 V
65 ohms
10 V
80 ohms
12 V
111 ohms
R1 value
Size
0805
1210
1210
2010
2010
2512
The proper value for R1 is dependent upon the supply
voltage and allows for bias stability over temperature.
WJ recommends a minimum supply bias of +6 V.
A
1% tolerance resistor is recommended.
C1
Blocking
Capacitor
RF OUT
L1
RF Choke
C3
0.018 μF
R4
Bias
Resistor
RF IN
C4
Bypass
Capacitor
C2
Blocking
Capacitor
Vcc
Icc = 65 mA
ECG055
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