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TA1395FNG датащи(PDF) 11 Page - Toshiba Semiconductor |
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TA1395FNG датащи(HTML) 11 Page - Toshiba Semiconductor |
11 / 24 page TA1395FNG 2005/05/20 11 Test Conditions Conversion Gain (see 1) RF Input level = -40dBmW (untuned) IF Output Power Level (see 2) Measure IF output level when it is maximum level. Conversion Gain Shift (see 3) 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. Noise Figure (see 4) Noise figure meter used. Direct reading. (DSB) 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. Switch On Drift (the PLL is not operating) (see 6) It is frequency change of oscillator by three minutes on the basis of the three seconds back of an after a power supply. 1% Cross Modulation (see 7) fd = fp : (fd input level = -40dBmW) 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. C/S Beat (see 8) fp fs = fp + 4.5MHz fc = fp + 3.58MHz fp = fs = fc : 3 signal are same level input Measure the suppression level when the PIF(45.75MHz) level is -10dBmW output. Ch Beat (see 9) *Ch5 beat fp = 77.25MHz fud = 83.25MHz Lo = 123MHz tuning Beat frequency = fud × 2 – Lo = 43.5MHz fp = fud : 2 signal are same level input Measure the suppression level when the PIF(45.75MHz) level is -10dBmW output. *Ch6 beat fp = 83.25MHz fs = 87.75MHz Lo = 129MHz tuning Beat frequency = fp + fs – Lo = 42MHz fp = fs : 2 signal are same level input Measure the suppression level when the PIF(45.75MHz) level is -10dBmW output. *ChA-5 beat fp = 91.25MHz Lo = 137MHz tuning Beat frequency = Lo – fp × 2 = 45.5MHz Measure the suppression level when the PIF(45.75MHz) level is -10dBmW output. |
Аналогичный номер детали - TA1395FNG |
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Аналогичное описание - TA1395FNG |
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