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Scientico Medico Engineering Instruments
Scientico Medico Engineering Instruments


Digital Media Evaluation Educational Kit

We are a leading Manufacturer of amplitude shift keying, phase shift keying, frequency shift keying, fiber optic trainer, time division multiplexer and pulse code modulation from Ambala, India.

Amplitude Shift Keying

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Amplitude Shift Keying
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Product Details:
Minimum Order Quantity1 Piece
BrandSMEI
Model NumberSME119

AMPLITUDE SHIFT KEYING MODULATION AND DEMODULATION
Objective :
a) Observe Shift in Carrier Amplitude according to the Binary Input i.e. Digital Clock Signal.
b) Recovery of Data Signal from Demodulator Circuit

Technical Specification :
* In built IC based DC Regulated Power Supply ±12V, +5V/ 250mA
* On board Data Signal Generator, Frequency 5KHz, Amplitude : 4Vpp Approx.
* On board Carrier Signal Generator, Frequency : 100KHz, Amplitude : 5Vpp Approx.
* Modulation using Linear Multiplier (Balanced Modulator using IC LM 1496).
* Demodulation of Diode as Envelop Detector, Low Pass Filter using IC TL 082 followed by Comparator IC using LM 311.
* Glass Epoxy PCB used as front panel & mounted on light weight shock proof plastic cabinet
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Phase Shift Keying

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Phase Shift Keying
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Product Details:
Minimum Order Quantity1 Piece
BrandSMEI
Model NumberSME105

PHASE SHIFT KEYING MODULATION AND DEMODULATION Objective : a) Observe Shift in Carrier Amplitude according to the Binary Input i.e. Digital Clock Pulser.
b) Recovery of Modulating Signal from Demodulator Circuit 
Technical Specification :
* In built IC based DC Regulated Power Supply ±12V & ±5V/ 250mA
* On board Data Generator using IC 7490
* On board Sine Wave Carrier Signal Generator, Frequency : 22KHz, Amplitude : 5Vpp Approx.
* Modulation using IC 4051 & Demodulation using TL 084 & IC 7486
* Glass Epoxy PCB used as front panel & mounted on light weight shock proof plastic cabinet
Size (mm) : 330 x 205 x 85


Additional Information:

  • Item Code: SME105
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Frequency Shift Keying

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Frequency Shift Keying
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Product Details:
Minimum Order Quantity1 Piece
BrandSMEI
Model NumberSME120

FREQUENCY SHIFT KEYING (FSK) MODULATION AND DEMODULATION Objective : a) Observe Shift in Carrier Amplitude according to the Binary Input i.e. Digital Clock Signal.
b) Recovery of Modulating Signal from Demodulator Circuit using Phase Locked Loop following by a Low Pass Filter & Comparator
Technical Specification :
* In built IC based DC Regulated Power Supply ±12V/ 250mA
* On board Data Signal Generator, Frequency : 10KHz & 5KHz, Amplitude : 5Vpp Approx.
* On board Carrier Signal Generator, Frequency : 100KHz & 50KHz, Amplitude : 6Vpp Approx.
* Modulation using Linear Multiplier (Balanced Modulator using IC LM 1496) followed by adder Tl081
* Demodulation using Phase Locked Loop using IC 4046 followed by Low Pass Filter TL082 & Comparator IC 3140
* Glass Epoxy PCB used as front panel & mounted on light weight shock proof plastic cabinet
Size (mm) : 330 x 205 x 85


Additional Information:

  • Item Code: SME120
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Fiber Optic Trainer

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Fiber Optic Trainer
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Product Details:
Minimum Order Quantity1 Piece
BrandSMEI

Objective :a) To study the transmission of analog & digital signal through fiber optic cable & also caculate propogation loss,bending loss & voice transmission.
b) Recovery of Modulating Signal from Receiver Circuit.

Technical Specification :
* In built IC based DC Regulated Power Supply ±9V,250mA
* On board optical output through Light Emitting Diode.
* On board Photo Detector.
* Inbuilt Sine and Square wave generator for analog and digital experiment.
* Voice transmission through Microphone.
* Demodulation of voice signal through External speaker.
* 1 meter  fiber Cable provided with instrument for signal transmission.
* Block diagram printed on front panel & connections brought out at sockets.

Size (mm) : 432(L) x 330(B) x 76(H) 
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Time Division Multiplexer

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Time Division Multiplexer
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Product Details:
Minimum Order Quantity1 Piece
BrandSMEI

Time Division Multiplexer (PCB MODEL)

  • Built in +/-5V/350 mA DC Power Supply
  • Data Generator 1 K b/s/Channel
  • Low High, Logic Low sources
  • Time Division Multiplexer - 8 Ch.
  • Time Division Demultiplexer - 8 Ch.
  • LED indication for channel outputs
  • Assembled in Wooden Box  with  circuit
  • screen printed on Glass Epoxy PCB with
  • 2mm socket  for test points  &  to see the waveforms
  • Set  of  Patch  Chords  & Experimental
  • Manual.
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Pulse Code Modulation

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Pulse Code Modulation
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Product Details:
Minimum Order Quantity1 Piece
BrandSMEI

Objective : a) Observe the conversion of DC Signal in to Digital Signal using Sample & Hold and A/D Converter
b) The PCM system is divided in five blocks i.e. Clock Generator, Sample & Hold Amplifier Analog to Digital Converter, Multiplexer, Timing & Control Logic.
Technical Specification :
* In built IC based DC Regulated Power Supply ±12V, +5V/ 500mA
* On board DC supply as modulating signal 0-5V DC.
* On board Clock Signal Generator, Frequency : 7.8KHz & 125KHz, Amplitude : 5Vpp Approx.
* Modulation using Sample & Hold Amplifier IC LF 398, Analog to Digital Converter using IC 0800 Parallel to Serial Converter using IC 74150 multiplexer & Timing and Control Logic using 74160.
* Demodulation of PCM using timing & control using 74160, Digital to Analog Converter using IC 0800 and Low Pass Filter follow by an amplifier using IC 741
* Glass Epoxy PCB used as front panel and housed in a rigid MS powder coated cabinet.
Size (mm) : 410 x 245 x 85
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Balanced Modulator

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Balanced Modulator
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Objective : a) Observe change in the Carrier amplitude according to the amplitude of the modulation Signal
b) Calculate Modulation Index of the Modulated Signal c) Recovery of Modulating Signal from Demodulator Circuit.

Technical Specification :* In built IC based DC Regulated Power Supply ±12V/ 500mA
* On board Sine Wave Audio Frequency Signal Generator, Frequency : 1KHz, Amplitude : 0-2Vpp Approx .
* On board Carrier Signal Generator, Frequency : 455KHz, Amplitude : 2.5Vpp Approx.
* Modulation using Balanced Modulator IC LM 1496
* Demodulation using Diode Detector OA 79 * Glass Epoxy PCB used as front panel & mounted on light weight shock proof plastic cabinet
Size (mm) : 280 x 205 x 85


Additional Information:

  • Item Code: SME107
  • Minimum Order Quantity: 1 Piece
  • Production Capacity: 10
  • Delivery Time: 2-3 weeks
  • Packaging Details: Nicely packed in a box
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Scientico Medico Engineering Instruments
Abhishek Gupta (Managing Director)
No. 1346/1, Sikligarh Mohalla, Hargolal Road ,
Ambala - 133001, Haryana, India
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