Details, datasheet, quote on part number: MC3362DW
PartMC3362DW
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Features, Applications

. includes dual FM conversion with oscillators, mixers, quadrature discriminator, and meter drive/carrier detect circuitry. The MC3362 also has buffered first and second local oscillator outputs and a comparator circuit for FSK detection. Complete Dual Conversion Circuitry

Low Voltage: VCC to 6.0 Vdc Low Drain Current (3.6 mA (Typical) @ VCC = 3.0 Vdc) Excellent Sensitivity: Input Voltage 0.6 µVrms (Typical) for 12 dB SINAD Externally Adjustable Carrier Detect Function Low Number of External Parts Required Manufactured Using Motorolais MOSAICr Process Technology MC13135 is Preferred for New Designs

Figure 1. Simplified Application in a PLL Frequency Synthesized Receiver

1st Mixer Input 24 1st Mixer Input X 23 Varicap Control 1st LO Tank 1st LO Tank 1st LO Output 19 1st Mixer Output 18 2nd Mixer Input 17 2nd Mixer Input 16 VEE 15 Comparator Output 14 Comparator Input X 13 Detector Output

2nd LO Output 2nd LO Emitter 2nd LO Base 4 2nd Mixer Output 5 VCC 6 Limiter Input 7 Limiter 8 Decoupling Limiter 9 Decoupling Meter Drive 10 Carrier Detect 11 Quadrature Coil 12

Device MC3362DW MC3362P Operating Temperature Range to +85°C Package SO­24L Plastic DIP

Rating Power Supply Voltage (See Figure 2) Operating Supply Voltage Range (Recommended) Input Voltage (VCC Pin Symbol VCC(max) VCC TJ TA Tstg Value + 150 Unit Vdc Vrms °C

Junction Temperature Operating Ambient Temperature Range Storage Temperature Range

ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, = 49.7 MHz, Deviation = 3.0 kHz, = 25°C, Test Circuit of Figure 3,

unless otherwise noted) Characteristic Drain Current (Carrier Detect Low ­ See Figure 5) Input for 3.0 dB Limiting Input for 12 dB SINAD (See Figure 9) Series Equivalent Input Impedence Recovered Audio (RF signal level = 10 mV) Noise Output (RF signal level = 0 mV) Carrier Detect Threshold (below VCC) Meter Drive Slope Input for (S + N)/N (See Figure 7) First Mixer 3rd Order Intercept (Input) First Mixer Input Resistance (Rp) First Mixer Input Capacitance (Cp) Conversion Voltage Gain, First Mixer Conversion Voltage Gain, Second Mixer Dector Output Resistance Pin 6 Min Typ 0.6 450­j350 Max k Units mA µVrms mVrms Vdc nA/dB µVrms dBm pF dB

0.01 10.5 Turns Coilcraft UNI­10/142 FL1: muRata CFU455D or Toko LFC­4551 FL2: muRata SFE10.7MA or Toko SK107M3­A0­10

Figure 5. Drain Current, Recovered Audio versus Supply

 

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