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TDA7513T 数据表(PDF) 14 Page - STMicroelectronics |
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TDA7513T 数据表(HTML) 14 Page - STMicroelectronics |
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14 / 84 page ![]() Electrical characteristcs TDA7513T 14/84 Table 7. IF Amplifier 1 (Input at FMIFAMP1IN, fc = 10.7MHz, no mod) (Output at FMIFAMP1OUT loaded with 330 Ω) (antenna level = FMIFAMP1IN – 31dB) Symbol Parameter Test condition Min Typ Max Unit GGain 18 dB IIP3 3rd order intercept point referred to FMIFAMP1IN 126 dB μV Rin input resistance (single- ended) FMIFAMP1IN w.r.t. gnd 330 W Rout output resistance 330 W Table 8. IF Amplifier 2 (Input at FMIFAMP2IN, fc = 10.7MHz, no mod) (Output at FMIFAMP2OUT loaded with 330 Ω) (antenna level = FMIFAMP2IN – 45dB) Gain MUST BE SET to 14dB for ISS operation. Symbol Parameter Test condition Min Typ Max Unit G minimum gain programmable gain 6dB 8dB 10 dB maximum gain 14 dB IIP3 Input 3rd order intercept point referred to FMIFAMP2IN, G = 8dB 134 dBm V Symbol Parameter Test Condition Min Typ Max Unit Rin input resistance (single- ended) FMIFAMP2IN to gnd 330 W Rout output resistance 330 W Table 9. Field-strength meter (Input at FMMIX2IN; fc = 10.7MHz, no mod) (antenna level = V67 – 49dB) Symbol Parameter Test condition Min Typ Max Unit FS1 FSmeter1 V(FMMIX2IN+) = 50 dBmV 1.4 dBmV FS2 FSmeter2 V(FMMIX2IN+) = 70 dBmV 2.7 dBmV FS3 FSmeter3 V(FMMIX2IN+) = 90 dBmV 4.4 dBmV FSR FSmeter filtering resistor SMETERTC pin 10.7 kW FFSS Filtered FSmeter Slider min 0 V max 1.5 V step 50 mV |
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