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參數(shù)資料
| 型號(hào)： | P13683EJ2V0AN00 |
| 英文描述： | uPC8106. uPC8109 and uPC8163 2.0GHz Silicon Frequency Up-converter ICs for Mobile Communications |
| 中文描述： | uPC8106。 uPC8109硅和uPC8163 2.0GHz的頻率上移動(dòng)通信轉(zhuǎn)換器IC |
| 文件頁數(shù)： | 54/59頁 |
| 文件大?。?/td> | 447K |
| 代理商： | P13683EJ2V0AN00 |
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Application Note P13683EJ2V0AN00
54
7.
APPLICATION CIRCUIT EXAMPLE
7.1 Dual Band
For mobile phones that use two frequency bandwidths as transmit frequency bands, matching is required for both
frequency bands, which makes it difficult to implement with just one matching circuit constant. Figure 7-1 shows an
application circuit example that enables use of dual bands: inductance load is used to obtain broad-band gain and a
50
pad is inserted to apply 50
impedance to the next stage obtain broad-band gain. Various other application
circuits can be conceived as user-side solutions.
Figure 7-1. Dual Band Circuit Configuration Example
RF
out
V
CC
PS
IF
in
GND
LO
in
C
1
C
2
L
6
5
4
1
2
3
100 pF
From previous stage
From local oscillator
V
CC
1 000 pF
1 000 pF
300 nH
10 000 pF
R
R
To next stage
R
BPF
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