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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TDA5634T Fiches technique(PDF) 6 Page - NXP Semiconductors |
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TDA5634T Fiches technique(HTML) 6 Page - NXP Semiconductors |
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6 / 20 page  1996 Nov 7 6 Philips Semiconductors Product specification 9 V UHF mixer/oscillator for TV and VCR tuners TDA5634T Notes 1. The RF frequency range is defined by the oscillator frequency range and the intermediate frequency. 2. The gain is defined as the transducer gain (measured in Fig.7) plus the voltage transformation ratio of L3 to L2 (10 : 2, 15.4 dB including transformer loss). 3. The input level causing 10 kHz frequency detuning at the LO output; fosc =fRF + 33.4 MHz. 4. All S-parameters are referred to a 50 Ω system. 5. Measured with RF input voltage of 97 dB µV at 430 MHz < fRF < 860 MHz. 6. Limits are related to the tank circuits used in Fig.7. Frequency bands may be adjusted by the choice of external components. 7. The frequency shift is defined as the change in oscillator frequency when the supply voltage varies from VP = 9 to 8.1 V or from VP = 9 to 9.9 V. 8. The frequency drift is defined as the change in oscillator frequency when the ambient temperature varies from Tamb =25 °C to 0 °C or from Tamb =25 °Cto50 °C. Without compensation, the capacitors C11 to C15 are NP0. 9. The frequency drift is defined as the change in oscillator frequency when the ambient temperature varies from Tamb =25 °C to 0 °C or from Tamb =25 °Cto50 °C. With compensation, the capacitors C11 to C14 are N750 and C15 is N470. 10. Switch on drift is defined as the change in oscillator frequency between 5 s and 15 min after switch on. LO output; RL = 100 Ω Yo output admittance (GP +jCPω) fOSC = 470 MHz; see Fig.9; note 4 − 3 − mS − 0.5 − pF fOSC = 900 MHz; see Fig.9; note 4 − 3.5 − mS − 0.5 − pF Vo output voltage RL =50 Ω; VP = 8.1 to 9.9 V; Tamb = −10 to +80 °C 83 91 100 dB µV SRF spurious signal on LO output with respect to LO output signal RL =50 Ω; note 5 −−−10 dBc SHD LO signal harmonics with respect to LO signal RL =50 Ω −−−10 dBc Band C oscillator fOSC oscillator frequency Vt = 0.45 to 28 V; VP = 8.1 to 9.9 V; Tamb = −10 to +80 °C; note 6 470 − 900 MHz fshift frequency shift ∆VP = 10%; note 7 −− 400 kHz fdrift frequency drift ∆T=25 °C without compensation; NP0 capacitors; note 8 −− 2.5 MHz ∆T=25 °C with compensation; note 9 −− 800 kHz 5 s to 15 minutes after switch on; without compensation; note 10 −− 600 kHz SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
Numéro de pièce similaire - TDA5634T |
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Description similaire - TDA5634T |
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