參數(shù)資料
型號: TA1384FNG
廠商: Toshiba Corporation
英文描述: Mixer/Oscillator and PLL IC for TV/VCR Tuner
中文描述: 混頻器/振蕩器和PLL集成電路電視/錄像機(jī)調(diào)諧器
文件頁數(shù): 10/22頁
文件大?。?/td> 305K
代理商: TA1384FNG
TA1384FNG
2004/11/24
10
Test Conditions
Conversion Gain (see 1)
RF Input level = -30dBmW (untuned)
Noise Figure (see 2)
Noise figure meter used. Direct reading. (DSB)
IF Output Power Level (see 3)
Measure IF output level when it is maximum level.
Conversion Gain Shift (see 4)
The conversion gain shift is defined as a change in conversion gain when supply voltage varies from Vcc = 5 V to 4.5 V or
from Vcc = 5 V to 5.5 V.
Frequency Shift (the PLL is not operating) (see 5)
The frequency shift is defined as a change in oscillator frequency when supply voltage varies from Vcc = 5 V to 4.5 V or
from Vcc = 5 V to 5.5 V.
1% Cross Modulation (see 6)
z
fd = fp : (fd input level = -30dBmW)
z
fud = fp
±
12MHz, 100 kHz AM30%
Input two signals, and increase the fud input level.
Measure the fud input level when the suppression level reaches 56.5dB.
3
rd
Internal Modulation (see 7)
z
fd = fp : (fd Input level = -35dBmW)
z
fud = fp
±
1 MHz : (fud input level = -35dBmW)
Input two signals, measure the suppression level.
6-ch beat (see 8)
z
fp = 83.25MHz : (input level = -30 dBmW)
z
fs = 87.75MHz : (input level = -30 dBmW)
Input two signals, measure the suppression level of the IF / undesired signal.
*Undesired signal = (fp + fs) – fosc = (83.25 + 87.75) – 129 = 42 MHz.
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