Briefly, in accordance with one embodiment of the invention, an integrated circuit includes a bias voltage source. The bias voltage source is coupled to a pad of the integrated circuit so as to clamp the pad voltage to the bias voltage when, during circuit operation, the voltage of the pad exceeds an upper voltage rail of the integrated circuit.

A linear voltage regulator generates a regulated output voltage from a low overhead input voltage. The voltage regulator includes a series pass device that generates the output voltage based on a control signal. A sense circuit generates a sense signal that is proportional to the output voltage. An integrator generates an integrated signal based on a difference between a first voltage reference and the sense signal. The integrated signal includes a first voltage reference component and a sense s...

A voltage regulator includes a transformer, a plurality of output stages and at least one switch. The transformer has a primary side and a secondary side, and the switch(es) are coupled to the primary side of the transformer to open and close to transfer energy to the transformer. The output stages are coupled to the secondary side of the transformer to receive energy from the transformer and provide output voltages. The output stages prevent current from flowing through the switch(es) during ti...

A coating system comprises a source of electrically non-insulative coating material, a dispenser for dispensing the coating material toward an article to be coated thereby, an electrostatic high potential for supplying charge to the coating material, means for coupling the high potential supply across the dispenser and the article, a first reservoir, and a first valve. The first valve has a first housing providing first, second, third, fourth and fifth ports, and a first component movable within...

A voltage-sensing circuit producing a voltage-indicating signal representative of the voltages in a three-phase AC system produces several voltage-indicating signals which are representative of the phase voltages in a three-phase AC system. These voltage-indicating signals are squared, and the squared voltages are summed to produce an output signal having a DC voltage component with a magnitude proportional to the Mean Square value of the AC phase voltages. Unbalanced voltages in the three-phase...

Two sets of two relay switches, which charge a pump capacitor and a reservoir capacitor of a charge pump type voltage converter, are formed respectively by a set of plural piezo-electric relays, and both the capacitors are formed together with the piezo-electric relays on one substrate. Electrodes are provided respectively on both surfaced of a piezo-electric film, and operating sections are operated by applying a power-supply voltage thereto, and a movable terminal is brought into contact with ...

A voltage detection circuit detects a regulator output voltage. A current detection circuit detects a regulator output current. A first amplifier circuit generates a voltage error signal in response to a command output voltage level indicative of a target value of the regulator output voltage, and in response to the detected regulator output voltage. A second amplifier circuit generates a current limiting signal in response to a command limit current level indicative of a limit value of the regu...

A rectifier circuit 30 of a voltage genetator 100 rectifys a alternating current signals through the use of the electromagnetic induction of a coil 11, the rectified signals are boosied by rectifying the voltage of nodes of the coil 11 by capacitors 21 and 22, and the voltage genetrator 100 generates a predetermined voltage by smoothing the boosted signals by a capacitor 17.

A voltage translator enabling a high speed non-selection switching with regard to the word line voltage. The voltage translator (10) includes one inverter (made up of transistors N1 and P1) arranged on the output side of the voltage transistor circuit, a feedback PMOS type transistor (P2), an NMOS type transistor (N4) having a earth terminal and controlled by the output signal from the other inverter newly added on the input side of the voltage translator circuit, an NMOS type transistor (N3) co...

A neon glow tube is mounted proximate to the high voltage conductors of metalclad or metal enclosed switch-gear. In the presence of high voltage on these conductors the tube glows. A light sensing device such as a cesium cell detects the glow or light from the neon tube and converts it to electrical energy which may be amplified through a suitable amplifying means and transmitted to a remote indicator. Capacitive coupling between the metal housing of the switchgear and a flat plate attached to t...