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TDA5637 Fiches technique(PDF) 10 Page - NXP Semiconductors |
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TDA5637 Fiches technique(HTML) 10 Page - NXP Semiconductors |
10 / 28 page 1996 Jun 10 10 Philips Semiconductors Product specification 9 V VHF, hyperband and UHF mixers- oscillators for TV and VCR 3-band tuners TDA5636; TDA5637 Notes 1. The RF frequency range is defined by the oscillator frequency range and the intermediate frequency. 2. Limits are related to the tank circuits used in Fig.17; frequency bands may be adjusted by the choice of external components. 3. 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. 4. The frequency drift is defined as the change in oscillator frequency when the ambient temperature varies from Tamb =25to0 °C or from Tamb =25to50 °C. 5. Switching on drift is defined as the change in oscillator frequency between 5 s and 15 min after switching on. 6. The input level causing 10 kHz frequency detuning at the LO output; fOSC =fRF + 38.9 MHz. 7. SRF: spurious signal on LO with respect to LO output signal: RF level = 120 dB µV at fRF < 180 MHz RF level = 107.5 dB µV at fRF = 180 to 225 MHz RF level = 97 dB µV at fRF = 225 to 860 MHz. Band C oscillator fOSC frequency range note 2 470 − 900 MHz fshift frequency shift ∆VP = 10%; note 3 −− 500 kHz fdrift frequency drift ∆T=25 °C with compensation; note 4 −− 1400 kHz 5 s to 15 min after switching on; note 5 −− 400 kHz LO output S22 output reflection coefficient see Fig.16 −−− YO output admittance (Yp +jωCp) see Fig.16 − 400 −Ω see Fig.16 − 0.7 − pF Vo output voltage RL =50 Ω 83 91 100 dB µV SRF spurious signal on LO output with respect to LO output signal RL =50 Ω; note 7 −−−10 dBc HLO LO signal harmonics with respect to LO signal RL =50 Ω −−−10 dBc IF amplifier S22 output reflection coefficient magnitude; through 1 nF; see Fig.15 −−14.5 − dB phase; through 1 nF; see Fig.15 − 5.5 − deg. Zo output impedance (Rs +jωLs) RS; through 1 nF − 73 −Ω LS; through 1 nF − 12 − nH SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
Numéro de pièce similaire - TDA5637 |
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Description similaire - TDA5637 |
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