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MC13156 Datasheet(PDF) 7 Page - Motorola, Inc |
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MC13156 Datasheet(HTML) 7 Page - Motorola, Inc |
7 / 20 page MC13156 7 MOTOROLA WIRELESS SEMICONDUCTOR SOLUTIONS – RF AND IF DEVICE DATA 0.1 60 –5.0 1.0 40 0.1 20 f, FREQUENCY (MHz) LO DRIVE (dBm) VEE, SUPPLY VOLTAGE (–Vdc) Figure 9. Mixer Gain versus IF Frequency Figure 10. Mixer IF Output Level versus Local Oscillator Input Level Figure 11. RSSI Output Current versus Supply Voltage and RF Input Signal Level fIF, IF FREQUENCY (MHz) Figure 12. IF Amplifier Gain versus IF Frequency 15 10 5.0 0 –5.0 1.0 10 100 –10 –15 –20 –25 –30 –35 VEE = –3.0 Vdc TA = 25°C –50 –40 –30 –20 –10 0 10 35 30 25 20 15 10 2.0 3.0 4.0 5.0 6.0 7.0 50 40 30 20 10 0 1.0 10 100 –40 –45 fRF = 140 MHz; fLO = 150 MHz RF Input Level = –27 dBm (10 mVrms) Rin = 50 Ω; RO = 330 Ω –20 dBm –40 dBm –60 dBm –100 dBm 5.0 0 Vin = 100 µV Rin = 50 Ω RO = 330 Ω BW(3.0 dB) = 26.8 MHz TA = 25°C –80 dBm 1.0 400 Figure 13. Recovered Audio Output Voltage versus Supply Voltage VEE, SUPPLY VOLTAGE (–Vdc) fmod = 1.0 kHz fdev = ±75 kHz fRF = 140 MHz RF Input Level = 1.0 mVrms TA = 25°C 300 200 100 0 2.0 3.0 4.0 5.0 6.0 7.0 Vin = VEE = –3.0 Vdc Vin = 1.0 mVrms (–47 dBm) RO = 330 Ω Rin = 50 Ω BW(3.0 dB) = 21.7 MHz fIF = fLO – fRF fLO = 150 MHz VLO = 100 mVrms TA = 25°C |
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