Tenders Description & Specification for Differential Pulse Code Modulation(DPCM) Trainer
Differential Pulse Code Modulation(DPCM) Trainer
DPCM Trainer is a manifestation of our increasing efforts to present the modern technology in a best way to the people who want to unfold the mysteries behind the ever increasing communication super highway. To present it in a best way the trainer incorporates the practical operating frequencies for sampling, audio processing and data processing which are commonly used in our public telephone networks.
Features
- Onboard DPCM Transmitter and receiver.
- Onboard Signal generator block.
- Onboard Audio input processing circuit.
- Onboard audio output processing circuit.
- Clock and entire control Signal section.
- Detailed signal processing circuit with complete data and control signal flow.
Technical Specifications
Signal generator block
Functions : Sine and Square
O/P frequency range : 300 Hz to 3.4 KHz
音频:音频处理circui I / P和O / Pts
Control signals : R/W for ADC, reset, Latch enables, OEs
Sampling frequency : 8 KHz
Bits per sample : 5 bits including sign bit
Bandwidth improvement
Compared to 8 bit PCM : 3 bits per sample.
Interconnections : 2 mm socket
Power Supply : ± 5V, ± 12V DC, 200 mA
Ltekonline are the manufacturers of Differential Pulse Code Modulation(DPCM) Trainer used to demonstrate engineering principles in Engineering Colleges, Engineering Schools andCommunication Systemfor Engineering Teaching Lab in Universities
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