參數(shù)資料
型號: TA1322FN
廠商: Toshiba Corporation
英文描述: DOWB-CONVERTER IC WITH PLL FOR SATELLITE TUNER
中文描述: DOWB轉(zhuǎn)換器與鎖相環(huán)的衛(wèi)星調(diào)諧器集成電路
文件頁數(shù): 10/21頁
文件大?。?/td> 215K
代理商: TA1322FN
TA1322FN
2002-02-12
10
Test Conditions
(1)
Conversion gain
RF input level 40dBmW
(2)
Noise figure
NF meter direct-reading value (DSB measurement)
(3)
IF output power level
Measure maximum IF output level.
(4)
3rd inter modulation
fd (fd input level 40dBmW)
Calculate IF output intercept point as follows:
IP3 S/(N 1) P [dBmW]
S: suppression level
fud fd 5 MHz (fud input level 40dBmW)
N: 3
P: IF output level
(5)
Conversion gain shift
Conversion gain shift is defined as change in conversion gain when supply voltage exceeds ranges
V
CC
5 V to 4.5 V or V
CC
5 V to 5.5 V.
(6)
Frequency shift (PLL OFF)
Frequency shift is defined as change in oscillator frequency when supply voltage exceeds ranges
V
CC
1 5 V to 4.5 V or V
CC
1 5 V to 5.5 V.
(7)
Phase noise (offset 10 kHz)
Measure phase noise at 10-kHz offset.
(8)
RF pin local-leak level
Measure worst-case local-leak level for RF pin (with IF output pin open).
(9)
IF pin local-leak level
Measure worst-case local-leak level for IF pin (with RF input pins shorted using 50- resistor, and
not measure IF output pin open).
(10) IF switch isolation
RF input level 40dBmW
Measure selected IF output pin’s level, and not selected IF output pin’s level.
Ifiso = |(selected IF output pin’s level ) (not selected IF output pin’s level)|
Not selected IF output pin shorts using 50 resistor.
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