Bandgap reference circuit
Band-gap Reference Circuit
Bandgap Voltage Reference Circuit
hypothetical reference circuit
Hypothetical Reference Circuit HRC
REFERENCE SINUSOIDAL CIRCUIT
hypothetical reference digital circuit
inertial [reference] frame， inertial [reference] system
optical reference filter wavelength standard reference material
alternation current circuit {= AC circuit}
earth circuit [= earth return circuit]
enlarged circuit and compensation circuit
single filip-flop circuit (sff circuit)
trip circuit and closing circuit
(thermo) reference material
137Cs reference inventory