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Experimental Training Equipments-> Frequency Response Of Passive Filters
 
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CONSTANT K TYPE: LOW PASS FILTER (PASSIVE TYPE)
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CONSTANT K TYPE: LOW PASS FILTER (PASSIVE TYPE)

Objective:
To construct T or low pass filter using inductors and capacitors and to test the cutoff frequency of the filter. Different L &C combinations are provided to take out different readings.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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CONSTANT K-TYPE : HIGH PASS FILTER (PASSIVE TYPE)
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CONSTANT K-TYPE : HIGH PASS FILTER (PASSIVE TYPE)

Objectives:
To construct T or section high pass filter and to study the frequency response that passes only high frequencies. That is, R will cut off low frequencies.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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CONSTANT K-TYPE: BAND PASS FILTER (PASSIVE TYPE)
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CONSTANT K-TYPE: BAND PASS FILTER (PASSIVE TYPE)

Objective:
To construct passive band pass filter and observe the frequencies that pass in between low and high frequencies. To note down lower cut-off frequency and upper cut-off frequency.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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M DERIVED LOW PASS FILTER (PASSIVE TYPE)
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M DERIVED LOW PASS FILTER (PASSIVE TYPE)

Objectives :
To construct T or section m derived low pass filter and observe the frequency response. It should be however noted that to divide the impedance of a capacitor by m, its capacity must be multiplied by m. To observe the cut off frequency and to plot the graph between frequency and attenuation.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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EQUALISER - FREQUENCY RESPONSE TESTING
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EQUALISER - FREQUENCY RESPONSE TESTING

Objectives:
To construct Equaliser and test the frequency response of the network.

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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T-TYPE ATTENUATORS - CHARACTERISTICS & TESTING METHODS
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T-TYPE ATTENUATORS - CHARACTERISTICS & TESTING METHODS

Objective:
To construct T-attenuator 1dB -9dB. Audio frequency input (Vi) should be given from audio frequency oscillator. The output of the T-attenuator Vout is taken at the output. Attenuation (dB) =-20 log (V0/Vi) is measured.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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 ATTENUATORS - CHARACTERISTICS AND TESTING METHODS
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ATTENUATORS - CHARACTERISTICS AND TESTING METHODS

Objectives :
To construct attenuator and calculate the attenuation 0.1db, 0.2dB and 0.3dB. Audio input sine wave Vi should be given from audio frequency oscillator. The output of the attenuator should be observed. Attenuation (dB) = -20 log (V0 / Vi).

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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COMPOSITE LOW PASS FILTER (PASSIVE TYPE)
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COMPOSITE LOW PASS FILTER (PASSIVE TYPE)

Objectives :
To construct T and type high pass filter and observe the output frequency response.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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COMPOSITE HIGH PASS FILTER (PASSIVE TYPE)
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COMPOSITE HIGH PASS FILTER (PASSIVE TYPE)

Objectives :
To construct composite section HPF and observe the output frequency response that passes only high frequencies.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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COMPOSITE BAND PASS FILTER (PASSIVE TYPE)
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COMPOSITE BAND PASS FILTER (PASSIVE TYPE)

Objectives :
To construct composite Band Pass filter and to study that the BPF passes in between low and high frequencies and observe the lower cut off frequency and upper cut off frequency.

Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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Filter Paper Circles
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Filter Paper Circles

Superior Quality neutral filter paper, 100 circles packed in cardboard box. Suitable for medium filtration, very low ash content. 7cm

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LITMUS PAPER
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LITMUS PAPER (LSE)

For Colleges, Universities, extra superior quality. Supplied in plastic box of 5 books each with 20 leaves of size 63.5x10mm wide approx.

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TEST PAPERS
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TEST PAPERS (LSE)

Supplied in plastic case of 5 books each with 20 leaves. Total 100 leaves.

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	UNIVERSAL PH PAPER
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UNIVERSAL PH PAPER (LSE)

UNIVERSAL PH PAPER Indicator paper supplied in 5 meters reel of 8mm wide. A colour chart is provided on the side of each dispenser.

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LENS CLEANING PAPER
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LENS CLEANING PAPER (LSE)

It is used for the cleaning of any kinds of lens as like Camera, Microscope slides, telescopes, spectrometers, polarimeters, prisms, mirrors etc. Size 9x15cm. Pack of 100.

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