| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5L20.00 | LCR Circuits - AC | | |
| 5L20.10 | RLC - phase differences | PIRA 500 | |
| 5L20.10 | LCR - phase differences | 5L20.10 | Applied voltage, R, L, and C are displayed on a four channel scope while L is changed and the circuit passes through resonance. |
| 5L20.10 | parallel resonance | En-13 | Transformers permit viewing voltages in all elements of a parallel RLC circuit. |
| 5L20.10 | phase shift in an LRC circuit | En-2 | The voltages across elements of a RLC circuit are shown as the inductor is varied through resonance. |
| 5L20.10 | LCR series circuit | En-12 | Isolation
transformers permit viewing applied, R, L, and C simultaneously on an oscilloscope
as the inductor is varied through resonance. |
| 5L20.11 | series RLC phase shift on scope | AJP 47(4),337 | Simultaneous
display of four traces of the RLC circuit on a single channel scope using
a multiplexer. Circuit diagrams are given. |
| 5L20.11 | RLC phase relationships | 33-2.3 | A
circuit allows phase relationships between R and L or C of the Cenco 80375
choke coil and resonance apparatus to be displayed on an oscilloscope. |
| 5L20.12 | LCR waveforms display | AJP 39(10),1133 | The
Leybold double wire loop oscillograph is modified to project laser beams
showing the current and voltage relationships of a LRC (circuit given) circuit. |
| 5L20.13 | LCR phase relationships | AJP 43(11),1011 | Show the input and output of an RLC circuit on a dual trace oscilloscope. |
| 5L20.14 | phase shift in fluorescent circuit | AJP 29(8),546 | Among other things, demonstrate the phase shift in a fluorescent lamp circuit. |
| 5L20.14 | LC op amp interface | AJP 40(4),628 | OP amps placed across the inductor and capacitor have high impedance and do not perturb the system. |
| 5L20.15 | LCR - phase differences | E-269 | A neon
lamp detector shining on a disk rotated by a synchronous motor shows phase
differences in a series RLC circuit driven by 110 V AC. |
| 5L20.16 | LCR vectors on CRO | AJP 45(1),97 | Pulses are generated from an RLC circuit to modulate the Z axis of a CRO. The dots shift as the applied frequency is changed. |
| 5L20.17 | seconds period LCR | AJP 40(10),1529 | Directions
for building an underdamped LCR circuit with a period from .5 to 5 seconds.
Forced oscillation with a electromechanical generator. |
| 5L20.18 | driven LRC circuit | PIRA 1000 | |
| 5L20.18 | driven LRC circuit | Disc 21-04 | The voltage and current across the capacitor, inductor, resistor, and supply are shown in succession on an oscilloscope. |
| 5L20.20 | RLC - resonance | PIRA 500 | |
| 5L20.20 | RLC - resonance | 5L20.20 | A large lamp lights in a 60 Hz 120 V RLC circuit when the L is changed and resonance is achieved. |
| 5L20.20 | series LRC circuit | En-1 | The light bulb in a RLC circuit glows when the inductor core is moved through resonance. |
| 5L20.20 | series RLC resonance | E-13b | A 110 VAC lamp, capacitor, and variable inductor form a series circuit. |
| 5L20.20 | series RLC resonance | E-13c | Short out the capacitor in a RLC circuit with a light bulb resistance. |
| 5L20.21 | parallel AC resonance | Eo-15 | A capacitor and variable inductor tuned to resonate in parallel at 60 Hz have series light bulb current indicators. |
| 5L20.21 | parallel resonance | E-13d | A RLC series resonant circuit with a variable inductor and light bulb indicators. |
| 5L20.22 | RLC - resonance | E-265 | A variable inductor and capacitor in series with a lamp driven by 110 V AC. Short inductor or capacitor, vary both. |
| 5L20.24 | resonance at 60 Hertz | A-26 | The product of inductance in henrys and capacitance in microfarads should be 7. |
| 5L20.26 | LC parallel resonance | E-13e | An LC circuit is driven by coupling a second coil driven by an audio oscillator. Reference: AJP 36(1),x. |
| 5L20.30 | resonance curves on scope | AJP 36(9),915 | A crude but effective spectrum analyzer circuit for generating and displaying frequency response curves on an oscilloscope |
| 5L20.31 | RLC resonance plot on scope | 33-3.6 | An
x-y plot of the resonance curve is generated by mechanically driving a pot
controlling the x axis of the scope by a chain to the tuning knob of the
signal generator. Diagram, Picture. |
| 5L20.40 | coupled RLC circuits | 33-3.5 | Two identical
RLC circuits and a driving coil are coupled with a common core. The two are
shown to resonate at the same frequency, then when both are operated simultaneously,
there are two different frequencies at which resonance occurs. Diagram, Picture. |
| 5L20.41 | air coupled circuit | AJP 36(1),x | Two
coils are air coupled, one is driven by an audio oscillator and various capacitors
are placed across the other coil while the output is monitored on an oscilloscope. |
| 5L20.50 | high voltage RLC ringing | E-268 | The
secondary of a high voltage transformer is shunted across a spark gap, Leyden
jars, and an inductor made of several turns of heavy copper all in series. |
| 5L20.51 | HF RLC resonance | 33-3.4 | A 30 MHz
500W generator is coupled to a loop, light bulb, parallel plate RLC circuit
and the capacitance changed to find resonance. Picture. |