摘要:
This invention discloses a switching constant current source circuit including a first current path for supplying a constant current, a first MOS transistor, one end of a current path of which is connected to the first current path, the other end of the current path of which is connected to a second current path, and a gate of which is applied with a digital signal corresponding to a logical amplitude, a second MOS transistor, one end of a current path of which is connected to the first current path, the other end of the current path of which is connected to a third current path, and which performs a switching operation complementary with the first MOS transistor, and level conversion means for fetching a change in voltage in the first current path caused by a change in current flowing through the first current path according to an operation of the first MOS transistor in response to the digital signal, and alternately applying a first level for disabling the second MOS transistor, which operates complementarily with the first MOS transistor, and a second level for enabling the second MOS transistor to output a predetermined current.
摘要:
A semiconductor device comprises a first pad region applied with a first potential, a first line led from the first pad region and connected to a first circuit, a second pad region integrated with the first pad region and applied also with the first potential, and a second line led from the second pad region connected to a second circuit and overlapped with the first line.
摘要:
A device for measuring displacement comprises a pair of sensor elements of which output voltage changes stepwise in dependency upon displacement of a measurement object, a differentiating circuit for detecting time points at which the output voltage of the pair of sensor elements suddenly changes, and a counter for counting the sudden change time points of the output voltage detected by the differentiating curcuit.
摘要:
A MOS logic circuit comprises two P channel MOSFETs connected in parallel between a positive power source V.sub.DD and a logic signal output terminal and two series circuits connected in parallel between a ground voltage source V.sub.SS and the terminal, each series circuit being comprised of serially connected two N channel MOSFETs. The gate electrodes of the MOSFETs located in the corresponding positions in the respective series circuits are connected to first and second logic signal input terminals, respectively. Similarly, the gate electrodes of the other MOSFETs located in the corresponding positions in the respective series circuits are connected to the second and first logic signal input terminals, respectively.
摘要:
A voltage comparison circuit having an amplification circuit which includes an inverting amplifier and a switching MOS transistor for setting an operation point of the inverting amplifier connected between input and output terminals of the inverting amplifier. The amplification circuit further includes at least one low-pass filter connected in a closed loop including the inverting amplifier and the switching MOS transistor.
摘要:
A semiconductor switching circuit includes a MOS inverter and a switching MOS transistor for executing a switching operation in response to the output signal from the MOS inverter. The semiconductor switching circuit further includes a low-pass filter coupled between the MOS inverter and the gate of the switching MOS transistor.
摘要:
An input voltage sampler samples the difference between two input voltages. An alternate switch switches at a period which is longer than twice the sampling period. The voltage difference is supplied through the alternate switch to a plurality of amplifiers. Prior to starting the amplifying operation, operating point setting circuits set the input level to the amplifiers at the operating point.
摘要:
A low pass filter which comprises first, second and third switched capacitor circuits connected to a power source V.sub.DD and/or a power source V.sub.SS, first and second operational amplifiers driven by the power sources V.sub.DD and V.sub.SS, and a bias circuit connected between the power sources V.sub.DD and V.sub.SS for providing a bias voltage to the non-inverting input terminals of the first and second amplifiers.
摘要:
A CR oscillation circuit is provided which includes inverters which are connected in series and whose operating current paths between a power source terminal and a ground terminal are connected in series with a constant current source. In certain embodiments, a resistor is connected between the output terminal of one inverter and the input terminal of the first inverter, and a capacitor is connected between the output terminal of another inverter and the input terminal of the first inverter. The CR oscillation circuit further has a constant current source connected in series with the operating current path of said inverters between the power source terminal and the ground terminal. In other embodiments, the resistor and capacitor are connected in parallel and to the input of an inverter.
摘要:
A controller for a vehicle transmission is disclosed. The controller may include an electronic control unit configured to carry out a change shift for changing a path of the transmission of power between a first transmission path and a second transmission path by engaging a predetermined clutch mechanism. The electronic control unit may also be configured to set a change speed ratio region that defines a range of a speed ratio of the first transmission mechanism such that a rotation speed difference between engagement members of the clutch mechanism, which are engaged with each other in carrying out the change shift, is smaller than or equal to a predetermined value. When a speed ratio outside the change speed ratio region is set in the first transmission mechanism, the change shift is not carried out.