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參數(shù)資料
| 型號： | MB54609 |
| 廠商： | Fujitsu Limited |
| 英文描述： | Intermediate-Frequency(IF) Quadrature Modulator IC (With 1.0 GHz Up-converter)(應(yīng)用于移動(dòng)遠(yuǎn)程系統(tǒng)的中頻積分調(diào)節(jié)器 （帶1.0GHz 上變頻轉(zhuǎn)換器）) |
| 中文描述： | 中頻（IF）的正交調(diào)制器集成電路（1.0千兆赫轉(zhuǎn)換器）（應(yīng)用于移動(dòng)遠(yuǎn)程系統(tǒng)的中頻積分調(diào)節(jié)器（帶1.0GHz的上變頻轉(zhuǎn)換器）） |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 328K |
| 代理商： | MB54609 |
12
MB54609
(Continued)
(Continued)
–40
–30
–20
–10
0
0.1
1
10
0
2
4
6
R
R
Baseband amplitude V
BB
(Vpp)
M
E
P
RF
V
ERR
–20
–40
–30
–20
–10
0
–15
–10
–5
0
–20
–40
0
2
4
6
0
2
4
6
–30
–20
–10
0
–15
–10
–5
0
5
5
R
R
R
R
Shifter output level P
LO1
(dBm)
Mixer input level P
LO2
(dBm)
M
E
M
E
P
RF
P
RF
V
ERR
V
ERR
RF output level dependent on LO1 and LO2 input levels
(P
RF
: test circuit 1, Modulation precision: test circuit 2)
@ Baseband signal of test circuit 2:
π
/4 DQPSK, 42 kbps, 1.0 Vpp, PN 15, Root-Nyquist filter
α
= 0.5
Input signals of test circuits 1 and 2: LO1 = 400 MHz, –15 dBm; LO2 = 750 MHz, –5 dBm
Output signals of test circuits 1 and 2: RFout = 950 MHz
RF output level dependent on LO1 input level
(@P
LO2
= –5 dBm)
RF output level dependent on baseband amplitude
(P
RF
: test circuit 1, Modulation precision: test circuit 2)
@ Baseband signal of test circuit 2:
π
/4 DQPSK, 42 kbps, 1.0 Vpp, PN 15, Root-Nyquist filter
α
= 0.5
Input signals of test circuits 1 and 2: LO1 = 400 MHz, –15 dBm; LO2 = 750 MHz, –5 dBm
Output signal: RFout = 950 MHz
RF output level dependent on LO2 input level
(@P
LO1
= –15 dBm)
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