Additional information
| Brand | Bytronic |
|---|
PAM-PPM-PWM Modulation/Demodulation Trainer
The Bytronic 7410 PAM-PPM-PWM pulse modulation/demodulation trainer can be used to study Sampling, Pulse Modulation, Demodulation and Signal reconstruction processes. Separate circuits are provided for each technique.
Experiments
- Pulse Amplitude Modulation using natural and flat top sampling
- PAM using sample and hold sampling
- Pulse Amplitude Modulation and Demodulation with sample, sample and hold and flat top
- PPM using DC input
- PPM using sine wave input
- PPM demodulation
- PWM using different sampling frequency
- Pulse Width Demodulation
- Voice link using Pulse Amplitude Modulation
- Voice link using Pulse Position Modulation
Key Features
- PAM-PPM-PWM Modulation & Demodulation techniques, using Natural & Flat-top sampling
- Analog Sample, Sample & Hold and Flat-top outputs
- Selectable 4 different sampling pulse frequencies on board
- Voice Communication using dynamic microphone & speaker
- On-board Filter and AC Amplifier
- 8 Switched Faults
Extended WarrantyRelated products
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CommunicationsData Formatting and Carrier Modulation Transmitter
The 7406 data formatting and carrier modulation transmitter trainer is a digital communication system which efficiently explains all communication processing steps involved in digital transmission and reception of analogue signals. Various digital modulation techniques such as ASK, FSK, PSK, DPSK, QPSK etc can be implemented using combinations of the 7406 and 7407 trainers.
In order for this unit to work correctly the 7407 carrier demodulation and data reformatting receiver is required.
Experiments:
- Data formats
- Amplitude shift keying
- Frequency shift keying
- Phase shift keying
- Differential phase shift keying
- Quadrature phase shift keying
- Differential quadrature phase shift keying
Key Features
- Functional blocks indicated via on board mimics
- Test points
- On-board carrier generation circuit (sine waves synchronized to transmitted data)
- On-board in phase and quadrature phase carrier for QPSK modulation
- Different data conditioning formats – NRZ(L), NRZ(M) RZ, biphase (Manchester), biphase (mark), AMI, RB
- FSK, PSK, DPSK, ASK & QPSK and DQPSK carrier modulation
- On-board unipolar to bipolar conversion
- On-board data inverter, clock source and 8-bit data source
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CommunicationsAudio Input Module
The 7408 audio input module allows speech and music signals as audio input to any communication trainer, it sends these signals over different communication systems. The audio input module accepts the input signal from either a microphone or a cassette recorder which it amplifies by a gain adjustable voltage amplifier. The audio input module and audio output module in conjunction with the trainer allows the user to study the effect of different communication system on transmission and reception of speech and music. The trainer can be used in applications requiring conversion of sound signals to electrical signals.
Key Features
- Allows music and speech as audio input.
- Input via Microphone
- Gain control to control voltage amplification
- Switchable fourth order low pass filter
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