PRODUCT OVERVIEW: The SB-TEK Basic Communication Trainer (SB-BAC-T01) is a modular, user-friendly communication training platform designed for technical institutes, vocational labs, and engineering training centers. It supports complete experimentation in analog, digital, and optical communication, along with built-in measurement tools and fault simulation capability. The system complies with international safety standards and includes all necessary accessories, documentation, and software tools for comprehensive hands-on learning.
GENERAL SPECIFICATIONS
• Trainer Type: Modular communication systems platform
• Operating Voltage: 230V AC ±10%, 50Hz
• Power Consumption: < 100VA
• Safety Standards: IEC 61010-1 compliant
• Dimensions: 480mm × 350mm × 150mm (L × W × H)
• Weight: 8.5 kg
• Operating Temperature: 0°C to 40°C
FUNCTIONAL MODULES
A. Analog Modulation Section
• AM Generator:
o Carrier frequency range: 100kHz–1MHz (adjustable)
o Modulation frequency: 300Hz–5kHz
o Modulation depth: 0–120% (variable)
• DSB/SSB Generator:
o Balanced modulator using IC 1496
o Carrier suppression: >40dB
o Sideband selection switch
DIGITAL MODULATION SECTION
• Bit rate: 1kbps–10kbps
• Carrier frequency: 100kHz–500kHz
• Modulation index adjustment
• PCM Encoder/Decoder:
o Sampling rate: 8kHz
o Compounding: ?-law/A-law selectable
o Codec: TP3057 compatible.
OPTICAL FIBER SECTION
• Transmitter:
o LED source: 650nm visible red
o Output power: -10dBm
• Receiver:
o PIN photodiode detector
o Sensitivity: -30dBm
• Fiber Specifications:
o Type: 62.5/125?m multimode
o Connectors: ST/FC type
o Splicing kit included
MEASUREMENT SECTION
• Built-in Instruments:
o Dual-channel oscilloscope interface (BNC)
o Frequency counter: 1Hz–10MHz
o RF millivoltmeter: 1mV–3V
• Test Points:
o 20+ gold-plated test points
o Buffer amplifiers for safe probing.
EXPERIMENT SUPPORT FEATURES
Modulation Experiments
• AM modulation index calculation
• DSB/SSB waveform observation
OPTICAL FIBER SECTION
• Transmitter:
o LED source: 650nm visible red
o Output power: -10dBm
• Receiver:
o PIN photodiode detector
o Sensitivity: -30dBm
• Fiber Specifications:
o Type: 62.5/125?m multimode
o Connectors: ST/FC type
o Splicing kit included
MEASUREMENT SECTION
• Built-in Instruments:
o Dual-channel oscilloscope interface (BNC)
o Frequency counter: 1Hz–10MHz
o RF millivoltmeter: 1mV–3V
• Test Points:
o 20+ gold-plated test points
o Buffer amplifiers for safe probing.
EXPERIMENT SUPPORT FEATURES
Modulation Experiments
• AM modulation index calculation
• DSB/SSB waveform observation
DIGITAL COMMUNICATION
• ASK/FSK/PSK eye pattern generation
• PCM encoding/decoding process
• Bit error rate measurement
OPTICAL FIBER TRAINING
• Optical power measurement
• Fiber attenuation calculation
• Connector loss measurement
• Fusion splicing practice Fault Simulation
• 10+ programmable fault insertion points
• Signal path interruption switches
INCLUDED ACCESSORIES
Measurement Tools
• Optical power meter
• Fiber cleaver
• ST/FC connector kit
CABLES & CONNECTORS
• BNC-to-BNC cables (2)
• Fiber patch cords (2m)
SAFETY FEATURES
• Fused power input
• Optical power limiter (< 1mW)
• Insulated test leads
• Overvoltage protection on all inputs
Warranty: O1 Year.
