CDMA Transceiver Trainer
Experiments Included:
Study of Direct Sequence Spread Spectrum Modulation and De-modulation Process
Study of BPSK Modulation and De-modulation Process
Study CVSD Encoding and Decoding
Study of DSSS using an Analog signal as an input
Study of DSSS using an Microphone as an input
Study of Direct Sequence Spread Spectrum Modulation and De-modulation Process with CDMA software
Category: Telecommunication Technology Products
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