參數(shù)資料
型號(hào): RF2153PCBA
廠商: RF Micro Devices, Inc.
英文描述: CDMA/TDMA/PACS 1900MHZ 3V POWER AMPLIFIER
中文描述: 碼分多址/時(shí)分多址/ PACS系統(tǒng)1900MHZ 3V的功率放大器
文件頁(yè)數(shù): 5/12頁(yè)
文件大小: 287K
代理商: RF2153PCBA
2-171
RF2153
Rev A18 001114
2
P
Applic ation S chematic
US - CDMA
150
1.5 nH
8 pF
10 nF
10 pF
10 nF
15 pF
15 pF
RF IN
15 pF
1 k
15 pF
Tied together for optimum linearity
L4
15 nH
1
2
3
4
5
13
12
11
10
9
6
7
8
16
14
15
VREG
VMODE
V
CC
4.7 pF**
2.2**
15 pF
RF OUT
12 nH*
15 pF
10 nF
1 pF
47
TL
1
TL
2
TL
3
CDMA (US)
Transmission
Line Length
TL
1
20 mils
100 mils
20 mils
TL
2
TL
3
* High Q inductor (i.e., Coilcraft 0805HQ-series).
**High Q capacitors (i.e., Johanson C-series).
27
1st Interstage tuning to
match input return loss
Bypassing for V
CC
2nd Interstage tuning for
centering frequency response
Ground for 2nd
Harmonic Trap
Matching Network for
optimum load impedance
Bypassing for
V
REG1
and V
REG2
To match input return loss
and vary gain
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