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Summary of Contents for ScienTECH AB65
- Page 1 AB65 Phase Shift Oscillator Operating Manual Ver.1.1 An ISO 9001 : 2000 company 94-101, Electronic Complex Pardesipura, Indore- 452010, India Tel : 91-731- 2570301/02, 4211100 Fax: 91- 731- 2555643 e mail : info@scientech.bz Website : www.scientech.bz Toll free : 1800-103-5050...
- Page 2 AB65 Scientech Technologies Pvt. Ltd.
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Page 3: Table Of Contents
RoHS Directive concerns with the restrictive use of Hazardous substances (Pb, Cd, Cr, Hg, Br compounds) in electric and electronic equipments. Scientech products are “Lead Free” and “Environment Friendly”. It is mandatory that service engineers use lead free solder wire and use the soldering irons upto (25 W) that reach a temperature of 450°C at the tip as the... -
Page 4: Introduction
AB65 Introduction AB65 is a compact, ready to use Phase Shift Oscillator experiment board. This is useful for students to understand functionality of phase shift oscillator. Student can also see phase shift introduced by different RC stages of a phase shift oscillator. It can... - Page 5 Optical Transducer (Photoconductive cell/LDR) Optical Transducer (Phototransistor) AB93 AB96 Temperature Transducer (RTD & IC335) AB97 Temperature Transducer (Thermocouple) DSB Modulator and Demodulator AB101 SSB Modulator and Demodulator AB102 FM Modulator and Demodulator AB106 and many more………… Scientech Technologies Pvt. Ltd.
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Page 6: Theory
RC networks is exactly 180° and the gain of the amplifier is sufficiently large, the circuit will oscillate at that frequency. This frequency is called the frequency of oscillation, f , and it is given by = 1.732 / 2 π RC Scientech Technologies Pvt. Ltd. - Page 7 This circuit configuration was very popular when active components were large and expensive, but now Op-Amps are inexpensive and small and come four in a package, so the single op-amp phase-shift oscillator is losing popularity. Scientech Technologies Pvt. Ltd.
- Page 8 RC section. This is a high-impedance node, so a high-impedance input is mandated to prevent loading and frequency shifting with load variations. Scientech Technologies Pvt. Ltd.
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Page 9: Experiments
Experiment Objective : Study of Phase Shift Oscillator with and without buffer between RC sections Equipments Needed : Analog board, AB65. DC power supplies -12V, +12V from external source or ST2612 Analog Lab. 2 mm patch cords. Circuit diagram :... - Page 10 Measure phase difference between test points T1 & T2, T2 & T3, T3 & T4, T4 and T1 with the help of dual channel CRO. Vary gain Potentiometer of 470K to adjust gain of the amplifier in case of clipped waveform. Scientech Technologies Pvt. Ltd.
- Page 11 Phase shift between Test Point T1 & T2 _____ = Phase shift between Test Point T2 & T3 _____ = Phase shift between Test Point T3 & T4 _____ = Phase shift between Test Point T4 & T1 _____ = Scientech Technologies Pvt. Ltd.
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Page 12: Data Sheet
AB65 Data Sheet Scientech Technologies Pvt. Ltd. - Page 13 AB65 Scientech Technologies Pvt. Ltd.
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Page 14: Warranty
The repair work will be carried out, provided the product is dispatched securely packed and insured. The transportation charges shall be borne by the customer. For any Technical Problem Please Contact us at service@scientech.bz List of Accessories 2 mm Patch Cords (Red) ..............2 Nos.
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