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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPXM2102AS датащи(PDF) 390 Page - Motorola, Inc |
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MPXM2102AS датащи(HTML) 390 Page - Motorola, Inc |
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390 / 670 page  AN1315 3–244 Motorola Sensor Device Data www.motorola.com/semiconductors The analog section of the system can be broken down into two subsections. These sections are the power supply and the amplification section. The power supply section consists of a diode, used to protect the system from input voltage reversal, and two fixed voltage regulators. The 5 volt regulator (U3) is used to power the microprocessor and display. The 8 volt regulator (U4) is used to power the pressure sensor, voltage references and a voltage offset source. The microprocessor section (U5) requires minimal support hardware to function. The MC34064P–5 (U2) provides an under voltage sense function and is used to reset the microprocessor at system power–up. The 4.0 MHz crystal (Y1) provides the external portion of the oscillator function for clocking the microprocessor and providing a stable base for timing functions. Table 2. Parts List Designators Quant. Description Rating Manufacturer Part Number C3, C4, C6 3 0.1 µF Ceramic Cap. 50 Vdc Sprague 1C105Z5U104M050B C1, C2, C5 3 1 µF Ceramic Cap. 50 Vdc muRATA ERIE RPE123Z5U105M050V C7, C8 2 22 pF Ceramic Cap. 100 Vdc Mepco/Centralab CN15A220K J1 – J3, J8 3 OR 4 #22 or #24 AWG Tined Copper As Required J4 – J7 1 Dual Row Straight 4 Pos. Arranged On 0.1 ″ Grid AMP 87227–2 LCD1 1 Liquid Crystal Display IEE LCD5657 P1 1 Power Connector Phoenix Contact MKDS 1/2–3.81 R1 1 6.98K Ohm resistor 1% R2 1 121 Ohm Resistor 1% R3 1 200 Ohm Resistor 1% R4, R11 2 4.7K Ohm Resistor R7 1 340 Ohm Resistor 1% R5, R6 2 2.0K Ohm Resistor 1% R8 1 23.7 Ohm Resistor 1% R9 1 976 Ohm Resistor 1% R10 1 1K Ohm Resistor 1% R12 1 3.32K Ohm Resistor 1% R13 1 4.53K Ohm Resistor 1% R14 1 402 Ohm Resistor 1% R15 1 10 Meg Ohm Resistor RP1 1 47K Ohm x 7 SIP Resistor 2% CTS 770 Series TP1 1 Test Point Red Components Corp. TP–104–01–02 U1 1 Quad Operational Amplifier Motorola MC33274P U2 1 Under Voltage Detector Motorola MC34064P–5 U3 1 5 Volt Fixed Voltage Regulator Motorola MC78L05ACP U4 1 8 Volt Fixed Voltage Regulator Motorola MC78L08ACP U5 1 Microprocessor Motorola Motorola MC68HC705B5FN or XC68HC705B5FN XDCR 1 Pressure Sensor Motorola MPX2xxxDP Y1 1 Crystal (Low Profile) 4.0 MHz CTS ATS040SLV No Designator 1 52 Pin PLCC Socket for U5 AMP 821–575–1 No Designator 4 Jumpers For J4 thru J7 Molex 15–29–1025 No Designator 1 Bare Printed Circuit Board No Designator 4 Self Sticking Feet Fastex 5033–01–00–5001 Note: All resistors are 1/4 W resistors with a tolerance of 5% unless otherwise noted. Note: All capacitors are 100 volt, ceramic capacitors with a tolerance of 10% unless otherwise noted. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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