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Delta, Adaptive Delta, Sigma Delta Modulator & Demodulator Manufacturer,Supplier and Exporter in India

Product Code : SCL-CE-12511

Indian Lab Suppliers supplies the Delta, Adaptive Delta, Sigma Delta Modulator & Demodulator (Product ID: 12511), part of the Communication Equipment range under Laboratory equipment, an extensive hands-on trainer covering Delta, Adaptive Delta and first- and second-order Sigma-Delta modulation and demodulation, with the modulator and demodulator built on the same board.

Note on naming: this trainer covers a similar topic to our Delta, Adaptive Delta and Delta Sigma Modulation / Demodulation Trainer (Product ID 12493), but is a distinct, more extensively equipped unit — it adds a DDS-based internal signal generator with external signal input, first- and second-order Sigma-Delta modulation stages, 46 test points, and optional Simtel 11 interactive software, versus 12493's four synchronized on-board generators and 4th-order Butterworth output filter. Please confirm the exact model with our team if you are comparing the two.

Note on naming and scope (continued): our catalog also includes the Delta/Adaptive Delta Modulation/Demodulation Trainer (Product ID 12575); please confirm the exact model with our team. That trainer uses an 8/16/32/64 kHz sampling clock with an onboard compander/expander and covers CVSD modulation, versus this trainer\u2019s DDS-based signal generation and Sigma-Delta (first and second order) modulation.

Quick Answer

This trainer provides an extensive hands-on study of Delta Modulation, Adaptive Delta Modulation, and first- and second-order Sigma-Delta Modulation and Demodulation. It includes an on-board Direct Digital Synthesizer (DDS) signal generator for standard and arbitrary waveforms, selectable sampling frequencies, an on-board transmission-effect stage (attenuation and noise), a selectable integrator step size for studying granular noise and slope overload, and a 2nd-order Butterworth low-pass filter at the demodulator output, with 46 test points and SMD LED indicators for signal-path visualization.

Key Features

Modulator and demodulator on the same board · on-board DDS signal generator for standard and arbitrary signals · selectable sampling frequencies · on-board transmission-effect stage · selectable integrator step size · detailed study of granular noise and slope overload · on-board 2nd-order Butterworth low-pass filter · SMD LED indicators · compact, book-like form factor for hands-on learning.

Key Specifications

Parameter	Detail
Modulation/demodulation techniques	Delta, Adaptive Delta, Sigma-Delta first order, Sigma-Delta second order
Internal signal generator	Direct Digital Synthesizer; sine, square, triangle and arbitrary signals; frequencies 500 Hz, 1 kHz, 2 kHz, 3 kHz
External signal input	Sine, square, triangle and arbitrary signals; maximum input 3 Vpp + 1.5V DC offset; frequency range 500 Hz–3.5 kHz
SMD LED indicators	48 nos., for DDS signal/frequency selection, sampling selection, technique selection and interconnect path
Transmission effects	Attenuation (7 dB and 10 dB) and noise filter
Crystal frequency	8 MHz
Sampling frequencies	16, 32, 64, 128 and 256 kHz
Integrator step	Normal and 3× (push-switch selection)
Test points	46 nos.
Low-pass filter	Cut-off frequency 5 kHz
Digital filter	Decimation filter (16:1)
Dimensions	326 x 252 x 52 mm (W x D x H)
Power supply	110–260V AC, 50/60 Hz
Weight	1.5 kg (approx.)
Operating conditions	0–40°C, 85% RH

Included Accessories and Optional Software

2 mm patch cord — 2 nos. An optional Simtel 11 Digital Communication interactive software package is available, covering signal source/pulse generator/data generator/delay blocks, adder/subtractor/multiplier math operations, natural and flat-top sampling, line encoding and decoding, and adaptive modulator/demodulator topics.

Experiments

Delta Modulator and Demodulator: study and analysis of Delta Modulation and Demodulation; sample-and-hold output while varying the sampling and signal frequency; integrator output at the modulator while varying the sampling frequency; improved integrator output while varying the gain control frequency; slope overload distortion; granular noise; single-bit Delta modulation; and analysis of the slope overload problem by generating a variable step size, and of the final Adaptive Delta demodulated output with the 2nd-order Butterworth low-pass filter.

Sigma-Delta first order: Sigma-Delta modulation of the first order; sigma output after summation of two signals; integrator output while varying the sampling frequency; single-bit PCM output at the Sigma-Delta modulator; Sigma-Delta demodulation of the first order; decimator filter output at the demodulator while varying the clock-enable switch position; and analysis of the final first-order Sigma-Delta demodulation output with the 2nd-order Butterworth low-pass filter.

Sigma-Delta second order: Sigma-Delta modulation of the second order; first- and second-order sigma outputs; integrator output while varying the sampling frequency; single-bit PCM output at the Sigma-Delta modulator; Sigma-Delta demodulation of the second order; decimator filter output at the demodulator while varying the clock-enable switch position; and analysis of the final second-order Sigma-Delta demodulation output with the 2nd-order Butterworth low-pass filter.

Transmission effects: attenuator effect; filter effect; noise effect while varying the noise level.

Where This Is Used

This Delta, Adaptive Delta, Sigma Delta Modulator & Demodulator is used in electronics and communication engineering education to teach delta and sigma-delta modulation techniques, complementing our broader Electronics Lab Equipment and Engineering Lab Equipment ranges.

Why Buy from Indian Lab Suppliers

Indian Lab Suppliers is an India-based laboratory equipment manufacturer and exporter supplying this Delta, Adaptive Delta, Sigma Delta Modulator & Demodulator alongside its broader Communication Equipment catalog, with documentation such as a Certificate of Origin available on request for institutional and export orders.

Frequently Asked Questions

What modulation techniques does this trainer cover?
Delta modulation, Adaptive Delta modulation, and both first- and second-order Sigma-Delta modulation and demodulation, all on one board.

Is optional software available for this trainer?
Yes, the Simtel 11 Digital Communication interactive software package is available as an option, covering additional topics such as line encoding/decoding and adaptive modulation/demodulation.

Do you supply this equipment for institutional or export orders outside India?
Yes. Indian Lab Suppliers quotes equipment for institutional and tender buyers across export markets — see the Tenders page for documentation requirements.

Related Categories

Laboratory · Electronics Lab Equipment · Engineering Lab Equipment

Request a Quote

For pricing, bulk quantities or tender documentation on the Delta, Adaptive Delta, Sigma Delta Modulator & Demodulator, reach our team via Contact Us or submit your requirement through our Tenders page.