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Operational Amplifiers
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
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
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
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
CLAMPING CIRCUITS-TESTING METHODS USING OP-AMPS.
Objectives of this experiment:
To show that the positive clamper has a clamped DC level of the input signal at positive portion. To show that the negative clamper has a clamped DC level of the input signal at negative portion. To know the working of the positive/negative clamper by varying the reference voltage.
Built in regulated power supply: +15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
CLIPPING CIRCUITS - TESTING METHODS USING OP-AMPS.
Objectives of this experiment:
To show that the positive clipper circuits clips or removes the positive part of the input signal and the negative clipper circuits removes the negative part of the input signal To observe that the reference voltage is used to control the clipping level of output of the given input wave.
Built in regulated power supply: +15V/300mA; -15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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
GYRATOR CIRCUITS (SYNTHETIC INDUCTORS)
Objectives of this experiment:
Gyrators are RC network with feedback from an op-amp connected to stimulate an inductor. Gyrators are sometimes called synthetic inductors
Built in regulated power supply: +15V/150mA, -15V/150mA.
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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
NORTON (CURRENT-MODE) OPERATIONAL AMPLIFIERS: CHARACTERISTICS & APPLICATIONS
Objectives of this experiment:
To determine that the norton amplifier amplifies Input current differences rather than conventional input voltage differences.
Built in regulated power supply: +15V/150mA; -15V/150mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
NOTCH FILTER (BAND REJECTION)
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
OP-AMP AS A CAPACITANCE MULTIPLIER
Objectives of this experiment:
To construct op-amp as a capacitance multiplier and test the parameters.
Built in regulated power supply: +15V/250mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms
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
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
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
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
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
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
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
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
