IT-4209 provides students to explore the basic technique of CDMA communication. The trainer shows the coding scheme used in CDMA communication and modulation / demodulation concept. The trainer also provides the digital coding / decoding of voice signal using CVSD technique and PC-PC communication using software.
Features:
- Power Supply Included
- Required Circuits Tested
- Each Section Clearly Marked for Input and Output
- Each Section Works as an Independent Unit
- Built-in Audio Generator
- Built-In Clock Generators
- Built-In Data Generator
- CVSD Codec
- Each Section Clearly Marked for Easy Understanding
Technical Features:
- 8-Bit Data Generator: For generation of Binary Data
- Word length: 8 bit
- Clock frequency: 2K, 4K, 8K, 16K, 32K, 64K
- Data format: NRZ
- PN Sequence generator
- PN Sequence Bit length: 15 bits
- Direct Sequence Spread Spectrum (DSSS) Coder and Decoder
- Analog signal generator: adjustable frequency and amplitude
- Carrier generator: 455KHz
- Modulator: Binary Phase Shift Keying Modulator
- Demodulator: Binary Phase Shift Keying Demodulator
- Codec: CVSD Encoder / Decoder for Audio
- Low Pass Filter: 5th Order Butterworth Filter with 3.4KHz cut off
- Amplifier: AC amplifier with variable gain
- PC-PC Communication using software
- Microphone interface for voice
