| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5N10.00 | Transmission Lines and Antennas | | |
| 5N10.10 | model transmission line | PIRA 1000 | |
| 5N10.10 | model transmission line - lamps | 5N10.10 | |
| 5N10.10 | transmission of power | Eh-4 | Five 200 W bulbs connected in series along resistance wire. |
| 5N10.10 | model transmission line - lamps | E-162 | Six lamps are connected across two thin wires strung along the lecture bench. |
| 5N10.10 | voltage drop | E-2c | Voltages are measured successively across four 300 W bulbs. |
| 5N10.13 | drift velocity | AJP 55(1),22 | Move
a Hall specimen perpendicular to the magnetic field in the opposite direction
to the drift motion of carriers with exactly the drift velocity compensates
for the Hall voltage. |
| 5N10.15 | HV line model | PIRA 1000 | |
| 5N10.15 | H.T. transmission | E-244 | A model transmission line with a lamp for a load that shows a loss unless transformers are used to boost voltage up and back. |
| 5N10.16 | power loss in transmission line | E-3g | A
circuit demonstrates that the efficiency of power transmission increases
with increased voltage. Variac, light bulb bank, meters, line resistance.
Reference: AJP 21(2),110. |
| 5N10.20 | model transmission line - phases | PIRA 1000 | |
| 5N10.20 | model transmission line - phase | 33-6.1 | A
model transmission line is made of a series of sixty series inductors and
shunt capacitors. An oscilloscope is used to show delay times and phase relationships. |
| 5N10.21 | wave propagation | AJP 53(6),563 | A
demonstration of wave propagation in a toroidal transmission line with periodic
variation of the wave phase velocity around the line. |
| 5N10.22 | wave propagation in aluminum | AJP 48(5),417 | Show amplitude decay and change in phase for waves propagating through an aluminum wedge or large sheet. |
| 5N10.25 | dispersion in non-inductive cable | 33-6.3 | A model cable made of 150 series resistors and parallel capacitors shows delay and dispersion with meters at each end. |
| 5N10.26 | dispersion circuit | AJP 47(5),429 | A set of T filters with the input and output impedances matched are used to show dispersion of a short pulse. |
| 5N10.27 | dispersion of an EM pulse | AJP 37(8),783 | A
microwave demonstration where as a sine wave burst is generated and the dispersion
is observed in a slotted line waveguide with a sampling scope. |
| 5N10.30 | reflections in a coax | 5N10.30 | |
| 5N10.30 | propagation in a coax | AJP 29(2),123 | A circuit using a wetted-contact mercury relay gives a pulse with a very fast rise time. |
| 5N10.30 | pulses on a coax | AJP 29(2),ix | Reflections in a coax using the Tektronix 545A delayed trigger. |
| 5N10.30 | propagation velocity in coax | 33-6.2 | Using a square wave generator and oscilloscope, propagation time in 1', 20', and 40' of coax are compared. Diagrams |
| 5N10.40 | reflections in a coax | PIRA 500 | |
| 5N10.50 | Lecher wires | PIRA 500 | |
| 5N10.50 | Lecher wires | 5N10.50 | A 80 MHz generator
is coupled to a long transmission line and standing waves are demonstrated
with neon and filament lamp probes. |
| 5N10.50 | Lecher wires | Ep-13 | Standing waves are set up on parallel wires from an 80 MHz generator. |
| 5N10.50 | Lecher wires | A-37 | Standing electromagnetic waves are coupled from an UHF oscillator to parallel wires. |
| 5N10.50 | Lecher wires | Disc 21-13 | Standing
waves are generated on parallel wires by a radio transmitter. An incandescent
bulb placed across the wires indicates voltage maxima. |
| 5N10.52 | Lecher bars | S-2e.3 | Two six foot iron rods are used in a Lecher system with a fluorescent lamp detector. |
| 5N10.55 | microwave standing waves | PIRA 1000 | |
| 5N10.55 | microwave standing waves | 33-7.7 | Measure the wavelength of a microwave transmitter by using a movable mirror to set up standing waves. |
| 5N10.55 | microwave standing waves | Disc 21-15 | Standing
waves are set up between a microwave transmitter and a metal sheet. The receiver
is moved between the two and the signal strength is displayed on a LED bar
graph. |
| 5N10.60 | radiation from a dipole | PIRA 500 | |
| 5N10.60 | radiation from a dipole | 5N10.60 | |
| 5N10.60 | radiation from a dipole | Ep-12 | A flashlight bulb on a dipole detects radiation from an 80Mhz generator. |
| 5N10.60 | radio waves | Disc 21-11 | Show radiation with a 100 MHz dipole transmitter and hand held dipole receiver with a flashlight bulb detector. |
| 5N10.61 | radiation and polarization | A-38 | Polarization of radiation from a dipole antenna is checked with a hand-held dipole antenna with lamp indicator. |
| 5N10.63 | dipole radiation computer simulation | AJP 52(12),1150 | R.H Good report on his Apple II dipole radiation simulation. Excellent and free. |
| 5N10.65 | directional antenna | A-39 | A directional antenna for use with a UHF oscillator. |
| 5N10.70 | waveguide normal modes | AJP 55(7),662 | Morie pattern type demonstration of normal modes in a waveguide. |
| 5N10.80 | EM vectors | 6-4.2 | A dynamic model for demonstrating electric and magnetic vectors in an electromagnetic field. Picture, Diagrams. |