Adtron’s Transmission Line Trainer ( simulated line ), Model 7503 is a versatile training system for investigating the characteristics of a transmission line, including attenuation, delay, matching, frequency response, standing waves AC line coupling and effect of additive noise. A complete unit with detailed instruction manual & set of required patch cords is provided.
Topics Covered :
► Attenuation : Delay using a pulse input.
► Reactive Termination : Matching using a pulse input.
► Noise in Communication Systems : AC Coupling of pulse inputs.
► Matching & Frequency Response : Standing waves.
► Transformer Matching : Low pass filter effect.
► Transmission Line Oscillator : Time Domain Reflectometry ( TDR ).
Technical Specifications :
► Simulated Transmission Lines : 50 W & 70 W.
► Attenuation Line : 600 W.
► Standing wave display circuit : Allows standing waves to be viewed on a standard oscilloscope.
► Pulse generator : Produces pulses of adjustable frequency and pulse width.
► Summing amplifier : With adjustable gain and output impedance.
► Digital noise generator : With adjustable output amplitude.
► Pulse squarer circuit : Provided.
► Buffer : with fixed 50 W output.
► BNC to 4 mm adapter : Provided.
► Switched faults : Eight faults are provided Four open circuit faults, four short circuit faults, affecting all major functional blocks.
► Interconnections : 4 mm sockets on all input / output connections.
► Test points : 70, numbered.