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OPERATIONAL AMPLIFIERS; CHARACTERISTICS & TESTING METHODS.
Objectives of this experiment: The purpose of the experiment is to demonstrate and to determine the operation of inverting amplifier, non-inverting amplifier, and determine the gain and the input and output impedances. To observe the performance of op-amp when operated in the CLOSED LOOP & OPEN LOOP modes. To determine the GAIN AND WIDTH of op-amp. Built in Regulated Power supply: +15V/300mA, -15V/300mA.
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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VOLTAGE FOLLOWER
Objectives of this experiment:
To verify that the output signal is in phase with the input signal. That is, the ratio of output & input signal is unity & to verify its input impedance.
Built in regulated power supply: +15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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SUMMER, SUBTRACTOR, And DIFFERENTIATOR & INTEGRATORS USING OP-AMPS.
Objectives of this experiment: To demonstrate the operation of summer, subtractor, integrator, differentiator using 741, 3140 op-amps. To apply square input signal and observe the output of integrator on a CRO which should be triangle wave. By applying triangle wave input and observe the output of differentiator on a CRO, which should be square wave. Built in regulated power supply: +5V/300mA, +15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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VOLTAGE-TO-FREQUENCY CONVERTER
Objectives of this experiment: To construct voltage to frequency converter and test that the oscillator's frequency can be controlled by means of input voltage. Built in regulated power supply: +15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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FREQUENCY-TO-VOLTAGE CONVERTER
Objectives of this experiment: To verify that the output voltage varies in accordance with the input frequency. Built in regulated power supply: +15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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VOLTAGE TO-CURRENT & CURRENT-TO-VOLTAGE CONVERTERS
Objectives of this experiment:
To construct current to voltage converter that converts the input current into a proportional output voltage. To construct voltage to current converter and verify that the load cur-rent is controlled by an input voltage.
Built in regulated power supply: +15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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PRECISION HALF WAVE & FULL WAVE RECTIFIERS
Objectives of this experiment: To determine the Half wave, full wave & bridge rectifier using op-amps. To measure DC average voltage, rms voltage & compare with the DC voltage which should be approximately 0. 707 times the peak input voltage. Built in regulated power supply: +15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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QUADRATURE (SINE & COSINE OSCILLATOR & PHASE SHIFTING CIRCUIT)
Objectives of this experiment: To construct Quadrature oscillator. Using op-amp test that the generator generates two signals (sine & cosine) that are in quadrature that Is out of phase by 90 degree. The frequency of oscillation is obtained by, Built in regulated power supply: 15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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LOG AND ANTILOG AMPLIFIER
Objectives of this experiment:
To construct LOG amplifier and ANTILOG amplifier using op-amp and study the frequency response.
Built in regulated power supply: +15V/250mA: -15V/250mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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SAMPLE AND HOLD CIRCUIT
Objectives of this experiment:
To construct sample & hold circuit using operational amplifier with an F-MOSFET as a switch. To verify that the circuit samples an input signal and holds on to its last sampled value until the input sampled again.
Built in regulated power supply: +15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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ACTIVE LOW PASS FILTER
Objectives of this experiment:
The display unit uses 6 digits, two for seconds, two for minutes and two for hours. Each display is energized by a decoder -driver, which itself is fed from DIGITAL CLOCK, This display unit can display between 00:00:00 to 23:59:59.
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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ACTIVE HIGH PASS FILTER
Objectives of this experiment: 1. To demonstrate the operation of a unity-gain first-order high-pass active filter.
2. To demonstrate the design and operation of a second order high-pass filter with unity pass band gain.
3. To demonstrate the operation and design of a second order multiple-feedback high-pass fitter with unity pass band gain and a Butter-worth amplitude response, Built in regulated power supply: +15V/500mA; -15V/500mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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ACTIVE BAND PASS FILTER
Objectives of this experiment:
To observe the frequency response of Band pass fitter that permits a range of medium frequencies to pass through while rejecting frequencies above & below this medium. To calculate 'Q' of this band pass filter.
Built in regulated power supply: +15V/500mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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ACTIVE STATE-VARIABLE (UNIVERSAL) FILTER
Objectives of this experiment:
To demonstrate the operation and characteristics of a unity-gain state variable filter, using Quad op-amps. The frequency response of low pass, high pass and band pass filters can be studied.
Built in regulated power supply: +15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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NOTCH FILTER (BAND REJECTION)
Objectives of this experiment:
To study the stop band or notch filter, which rejects a range of certain frequencies while allowing frequencies above and below this range to pass through with little or no attenuation.
Built in regulated power supply: +15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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