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TDA5636B 데이터시트(PDF) 10 Page - NXP Semiconductors |
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TDA5636B 데이터시트(HTML) 10 Page - NXP Semiconductors |
10 / 28 page 1996 Dec 02 10 Philips Semiconductors Product specification 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners TDA5636B; TDA5637B 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.17) plus the voltage transformation ratio of L6 to L7 (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. Limits are related to the tank circuits used in Fig.17. Frequency bands may be adjusted by the choice of external components. 5. The frequency shift is defined as the change in oscillator frequency when the supply voltage varies from VP = 9 to 8.1 V and from VP = 9 to 9.9 V. 6. The frequency drift is defined as the change in oscillator frequency when the ambient temperature varies from Tamb =25to0 °C and from Tamb = 25 to 50 °C. 7. Switch on drift is defined as the change in oscillator frequency between 5 s and 15 min after switch on. 8. 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 oscillator frequency note 4 470 − 900 MHz fshift frequency shift ∆VP = 10%; note 5 −− 500 kHz fdrift frequency drift ∆T=25 °C with compensation; note 6 −− 1400 kHz 5 s to 15 min. after switch on; note 7 −− 400 kHz LO output S22 output reflection coefficient see Fig.16 −−− Yo output admittance (YP +jωCP) see Fig.16 − 400 −Ω see Fig.16 − 1.0 − 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 8 −−−10 dBc HLO LO signal harmonics with respect to LO signal RL =50 Ω −−−10 dBc IF amplifier characteristics S22 output reflection coefficient magnitude; through 1 nF; see Fig.15 −−21.3 − dB phase; through 1 nF; see Fig.15 − 49 − deg Zo output impedance (Rs +jLsω) Rs; through 1 nF − 110 −Ω Ls; through 1 nF − 65 − nH SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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