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)(應用于移動遠程系統(tǒng)的中頻積分調(diào)節(jié)器 (帶1.0GHz 上變頻轉換器))
中文描述: 中頻(IF)的正交調(diào)制器集成電路(1.0千兆赫轉換器)(應用于移動遠程系統(tǒng)的中頻積分調(diào)節(jié)器(帶1.0GHz的上變頻轉換器))
文件頁數(shù): 13/23頁
文件大?。?/td> 328K
代理商: MB54609
13
MB54609
(Continued)
(Continued)
0
–10
–20
–30
–40
–20
0
20
40
60
80
0
1
2
3
P
RF
V
CC
= 3.3 V
V
CC
= 3.0 V
V
CC
= 2.7 V
Temperature Ta (
°
C)
R
R
M
E
V
= 3.0 V
V
CC
= 2.7 V
V
CC
= 3.3 V
V
ERR
V
CC
= 3.3 V
V
CC
= 3.0 V
V
CC
= 2.7 V
–20
0
20
40
60
80
Temperature Ta (
°
C)
–20
–30
–40
–50
–40
C
Carrier suppression dependent on temperature (test circuit 2)
@ Baseband signal:
π
/4 DQPSK, 42 kbps, 1.0 Vpp, 0000, Root-Nyquist filter
α
= 0.5
Input signals: LO1 = 400 MHz, –15 dBm; LO2 = 750 MHz, –5 dBm
Output signal: RFout = 950 MHz
RF output level dependent on temperature (PRF: 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
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