MC34115P Freescale Semiconductor, Inc, MC34115P Datasheet
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MC34115P
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MC34115P Summary of contents
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... Coincidence Logic Output V/I Analog Output Converter 3 Slope Syllabic Filter 4 Polarity Gain Control Switch Device MC34115P MC34115DW Motorola, Inc. 1996 Order this document by MC34115/D MC34115 SLOPE DELTA SEMICONDUCTOR TECHNICAL DATA SUFFIX PLASTIC PACKAGE CASE 648 SUFFIX PLASTIC PACKAGE CASE 751G (SO–16L) ...
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MAXIMUM RATINGS (All voltages referenced unless otherwise noted.) (Note 2) Rating Power Supply Voltage Differential Analog Input Voltage Digital Threshold Voltage Logic Input Voltage (Clock, Digital Data, Encode/Decode) Coincidence Output Voltage ...
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ELECTRICAL CHARACTERISTICS (continued) Characteristic Propagation Delay Times (Note 1) Clock Trigger to Digital Output Gnd Clock Trigger to Coincidence Output Gnd 4.0 kΩ ...
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Pin 1 – Analog Input This is the analog comparator inverting input where the voice signal is applied. It may coupled depending on the application. If the voice signal level shifted to the ...
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Pin 13 – Digital Data Input In a decode application, the digital data stream is applied to Pin 13 encoder it may be unused or may be used to transmit a signaling message under the control of Pin ...
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Figure 3. Input Bias Currents, Analog Comparator Offset Voltage and Current V IO(Comparator 1.0 k – 100 mV 3 0.1 CVSD 4 MC34115 100 k 0 0.05 ...
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TYPICAL PERFORMANCE CURVES Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Figure 7. Typical I Int versus I GC (Mean 2 σ) Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ...
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Figure 13. Block Diagram of the CVSD Decoder Clock Digital In Sampler Audio Out Integrator 8 MC34115 Figure 12. CVSD Waveforms Integrator Output (Reconstructed Audio) Input Audio Digital Output Level Detect Algorithm Slope Polarity Switch MOTOROLA ANALOG IC DEVICE DATA ...
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MOTOROLA ANALOG IC DEVICE DATA MC34115 + – 9 ...
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The continuously variable slope delta modulator (CVSD simple alternative to more complex conventional conversion techniques in systems requiring digital communication of analog signals. The human voice is analog, but digital transmission of any signal over great distance is ...
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MC34115, Single–Pole Companding and Single Integration) 5.0 Push To Talk (Norm Key Open Analog + Input 4.0 µ 600 600 0.1 1 Ref Input 7 Analog ...
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Figure 16. Signal–to–Noise Performance with Single Integration, Single–Pole and Companding Bits (Typical) 15 Clock Rate = 16 kHz 10 Test Tone = 1.0 kHz Sine Wave Noise Weighting C Message 5.0 –40 –30 –20 –10 INPUT LEVEL ...
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Integration Filter Design The circuit in Figure 15 uses a single–pole integration network formed with a 0.1 µF capacitor and a 10 kΩ resistor possible to improve the performance of the circuit in Figure 15 by 1.0 or ...
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Figure 19. High Performance Elliptic Filter for CVSD Output C1 1000 R1 R2 87.6 k 175 157 247 k Figure 20. Full Duplex/16 k Bit CVSD Voice Codec Analog ...
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0.25 (0.010) –A– –B– 16X 0.010 (0.25 14X K MOTOROLA ANALOG IC DEVICE DATA ...
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Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of ...