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MC13109AFB Datasheet(PDF) 5 Page - Motorola, Inc |
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MC13109AFB Datasheet(HTML) 5 Page - Motorola, Inc |
5 / 28 page MC13109A 5 MOTOROLA RF/IF DEVICE DATA ELECTRICAL CHARACTERISTICS (continued) FM Receiver The FM receivers can be used with either a quad coil or a ceramic resonator. The FM receiver and 1st LO have been designed to work for all country channels, including 25 channel U.S., without the need for any external switching circuitry (see Figure 25.) (Test Conditions: VCC = 2.6 V, TA = 25°C, fO = 46.61 MHz, fDEV = ± 3.0 kHz, fmod = 1.0 kHz.) Characteristic Condition Input Pin Measure Pin Symbol Min Typ Max Unit Sensitivity (Input for 12 dB SINAD) Matched Impedance Differential Input Mix1 In1/2 Det Out VSIN – 0.7 – µVrms 1st Mixer Voltage Conversion Gain Vin = 1.0 mVrms, with CF1 as Load Mix1 In1/2 Mix1 Out MXgain1 – 10 – dB 2nd Mixer Voltage Conversion Gain Vin = 3.0 mVrms, with CF2 as Load Mix2 In Mix2 Out MXgain2 – 20 – dB 1st Mixer Input Impedance – – Mix1 In1 Mix1 In2 RP1 CP1 – 0.88 2.5 – k Ω pF 2nd Mixer Input Impedance – – Mix2 In RP2 CP2 – 3.0 2.7 – k Ω pF 1st Mixer Output Impedance – – Mix1 Out RP1 Out CP1 Out – 390 1.8 – Ω pF 2nd Mixer Output Impedance – – Mix2 Out RP2 Out CP2 Out – 1.5 12 – k Ω pF 1st and 2nd Mixer Voltage Gain Total Vin = 1.0 mVrms, with CF1 and CF2 as Load Mix1 In1/2 Mix2 Out MXgainT 24 27 – dB IF – 3.0 dB Limiting Sensitivity fin = 455 kHz Lim In Det Out IF Sens – 55 100 µVrms Total Harmonic Distortion (CCITT Filter) With RC = 8.2 kΩ/ 0.01 µF Filter at Det Out Mix1 In1/2 Det Out THD – 1.0 3.0 % Recovered Audio With RC = 8.2 kΩ/ 0.01 µF Filter at Det Out Mix1 In1/2 Det Out AFO 80 100 154 mVrms Demodulator Bandwidth – Lim In Det Out BW – 20 – kHz Signal to Noise Ratio Vin = 10 mVrms, RC = 8.2 kΩ/0.01 µF Mix1 In1/2 Det Out SN – 50 – dB AM Rejection Ratio 30% AM, Vin = 10 mVrms, RC = 8.2 kΩ/0.001 µF Mix1 In1/2 Det Out AMR 30 40 – dB First Mixer 3rd Order Intercept (Input Referred) Matched Impedance Input Mix1 In1/2 Mix1 Out TOImix1 – –10 – dBm Second Mixer 3rd Order Intercept (Input Referred) Matched Impedance Input Mix2 In Mix2 Out TOImix2 – –27 – dBm Detector Output Impedance – – Det Out ZO – 870 – Ω |
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