• ANALOG FIBER OPTIC TRAINER MODEL No. HIQ – 4117

The trainer provides all necessary inputs and connections for students of study about analog fiber optic transmitter & receiver techniques and covers charac-teristics of fiber optic cable & its losses also

Features:

• Onboard transmitter & receiver ckts.
• Self contained trainer with built in DC power supply.
• Onboard input-output & test points.
• Compact size.

Technical Specifications:
Transmitter two numbers, fiber optic LED’s are having peak wavelength of emission 666nm & 850 nm. Receiver: fiber optic photo transistor & photo diode for power measurement. Function generator 2KHz to 200 KHz sine wave (amplitude adjustable), Numerical Aperture better than 0.5, Acceptance angle better than 60.

• DIGITAL FIBER OPTIC TRAINER MODEL No. HIQ – 4118

This trainer specially developed for understanding and designing about fiber optic digital transmission systems, covers all characterization of fiber optic digital transmission system asnd also studying encoding methodsused in digital fiber optic transmission syste.

Features:

• Functional CKT indicated on board.
• Small in size and have light weight

Technical Specifications:

Transmitter Module, DC coupled & intensity modulated, Date rate: 0 to 1 Mbit/sec, Emission wave length: 660nmMax, Optical power: at 10mA, 200 microwatts

Receiver module:
DC coupled & TTL type, Data Rate: 0 to 1 Mbit/sec.
Signals : 
TTL ‘1’, TTL ‘0’
Accessories Included :
Power Supply Modules, 2 meter PMMA fiber patch, cord  ( calbe one) manual experiments performed designed & study of a fiber optic digital link study of encoding methods for fiber optic digital transmission base band or non return to zero (NRZ) transmission return to zero coding (RZ) non return to zero inverted coding : Manchester Coding.

• STUDY OF LASER DIODE TRANSMISSION Model No:HiQ-4119

The Laser Diode/Fibre Optics design kit model No: LT-2023 has been developed to conduct studies on laser diodes, optical fibres and optical communication methods, by transmission either through an optical wave guide (or) free space. The experiments included for study introduce the student to concepts under lying this state of art technology in a simple style. The trainer includes all the accessories to conduct most of the experiments.

FEATURES:

On-board optical intensity adjustable facility in transmitter side.
Analog & Digital signals are accepted.
Used in free space communication also.
On-board gain adjustment at Receiver side.
Capable of Transmission in two modes.
On-board indicated functional blocks, inputs & outputs and test points.
Compact in size.
More number of experiments possible in single trainer with single pair of module.
Optical power measurement facilities via PO1 & PO2.

TECHNICAL SPECIFICATIONS:

Transmitter : 1No. Laser Diode having peak wave length of 660nm.
Receiver : 1No. fiber optic photo defector and photo transistor.
Drivers : With Analog (or) Digital.
Comparators : Linear and logarithmic.
Switch Modes : APC & ACC.
Optical Cables : 1No. 2 meter PMMA, SI/MM (Green Jocket)
1No. 2 meter 62.5/125, GI/MM (Black Jocket)
Test Points : 8
Inter Connections : 4mm sockets
Power supply : 230V ±10% AC, 50Hz single phase.
In-built DC supply : +12V, +6V DC.
Indication : LED indication provided for Transmitter & Receiver for AC input.
Accessories : Instruction Manual, set of patch cords, Optical fiber cables and Jig for NA measurement.

EXPERIMENTS POSSIBLE:

Characterization of a Laser Diode.
Study of ACC & APC modes of operation.
Design and evaluation of an LD Analog IM system.
Design and evaluation of an LD digital transmission system.
Transmission of Laser through an optical fibre.
Laser free space communication.
Fibre optic numerical aperture measurement.
Transmission of an audio signal through an optical fibre.