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参数资料
| 型号： | MRFIC1854A |
| 厂商： | Motorola, Inc. |
| 英文描述： | 1.9GHz CDMA Upmixer/Exciter Amplifier(1.9GHz CDMA上混频器/放大器) |
| 中文描述： | 1.9GHz的CDMA的混频器/激励器放大器（1.9GHz的CDMA的上混频器/放大器） |
| 文件页数： | 4/10页 |
| 文件大小： | 125K |
| 代理商： | MRFIC1854A |
MRFIC1854A
4
MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS – RF AND IF DEVICE DATA
Figure 1. Application Circuit
IF In+
LO In
VCC3
VCC1
RF Vcntrl
Exciter Out
VCC Exciter
IF In–
VCC4
RF Out
C14
Exciter In
VCC2
Tx Enable
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
C19
C13
C1
C8
C15
C18
C16
C12
C11
C9
C10
C6
C7
C4
C5
C3
C2
C17
T2
T4
T3
T1
C1, C19
C2, C18
C3
C4, C6, C9, C12, C16
C5, C8, C10, C11, C13, C15, C17
C7
C14
C20
1.0 nF
4.7 pF
1.7 pF
10 nF
30 pF
47 pF
3.6 pF
1.0 pF
L1, L4
L2
L3
T1
T2
T3
T4
T5
220 nH
10 nH
18 nH
50
Microstrip, L = 670 mils
50
Microstrip, L = 150 mils
50
Microstrip, L = 400 mils
50
Stripline, L =
λ
/2 @ 1880 MHz
50
Microstrip, L = 350 mils
L1
L4
L3
L2
NOTES:
1.IF ports matched to 50
for testing purposes.
2.Microstrip line and C7 form part of RF AGC/Exciter interstage match.
3.Er = 4.45 and board thickness = 18 mils.
Mxer
Exciter
RF AGC
Bias Select
C20
Enable
IF Vcntrl
T5
LO Buffer
IF AGC
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