A temperature-compensated low-pass filter includes a differential amplifier that controls a first transistor to pass a subthreshold current through the transistor to charge a capacitor with low-pass-filtered output voltage. A second transistor has a first terminal coupled to an input terminal of the low-pass filter and has a second terminal coupled to a current source conducting a bias current. The differential amplifier also controls the second transistor to conduct the bias current responsive to a difference between a complementary-to-absolute-temperature reference voltage and a voltage of the second terminal of the second transistor.

A bias circuit includes first to fourth transistors and a phase compensation circuit. In the first transistor, a reference current or voltage is supplied to a first terminal, and the first terminal and a second terminal are connected. In the second transistor, a first terminal is connected to the first transistor, and a third terminal is grounded. In the third transistor, a power supply voltage is supplied to a first terminal, a second terminal is connected to the first transistor, and a bias current or voltage is supplied from a third terminal to an amplifier transistor. In the fourth transistor, a first terminal is connected to the third transistor, a second terminal is connected to the second transistor, and a third terminal is grounded. The phase compensation circuit is provided in a path extending from the fourth transistor to the third transistor through the second and first transistors.

An anti-electromagnetic interference telescopic boom and a crane. The telescopic boom includes a first anti-interference module, a second anti-interference module and a cable drum; wherein the first anti-interference module, the second anti-interference module and the cable drum are all arranged on a telescopic boom of the crane, the first anti-interference module is connected to a first end of the cable drum, and the second anti-interference module is connected to a second end of the cable drum, the cable drum is configured to transmit a control signal and a power supply signal for a control system of the telescopic boom, the first anti-interference module is configured to filter and encrypt the control signal and the power signal, and the second anti-interference module is configured to re-filter, decrypt and amplify the control signal and the power signal.

An anti-electromagnetic interference telescopic boom and a crane. The telescopic boom includes a first anti-interference module, a second anti-interference module and a cable drum; wherein the first anti-interference module, the second anti-interference module and the cable drum are all arranged on a telescopic boom of the crane, the first anti-interference module is connected to a first end of the cable drum, and the second anti-interference module is connected to a second end of the cable drum, the cable drum is configured to transmit a control signal and a power supply signal for a control system of the telescopic boom, the first anti-interference module is configured to filter and encrypt the control signal and the power signal, and the second anti-interference module is configured to re-filter, decrypt and amplify the control signal and the power signal.

An integrated circuit having a transmission-line-based resonant clock distribution network for distributing a clock signal to one or more nodes, the integrated circuit including a transmission-line-based resonant network formed by one or more clock distribution units. Each clock distribution unit includes a transmission line segment having first and second ends and a resonant circuit connected to the transmission line segment at a position equidistant from the first end and the second end, where the resonant circuit includes an inductor connected in parallel with a capacitor such that the resonant circuit, along with the transmission line segment, collectively has a resonant frequency about a frequency of the clock signal.

An integrated circuit having a transmission-line-based resonant clock distribution network for distributing a clock signal to one or more nodes, the integrated circuit including a transmission-line-based resonant network formed by one or more clock distribution units. Each clock distribution unit includes a transmission line segment having first and second ends and a resonant circuit connected to the transmission line segment at a position equidistant from the first end and the second end, where the resonant circuit includes an inductor connected in parallel with a capacitor such that the resonant circuit, along with the transmission line segment, collectively has a resonant frequency about a frequency of the clock signal.

The present invention is a signal isolation device comprising: a first circulator; a second circulator connected to the first circulator; a first radio frequency switch connected to the second circulator; an adjustable radio frequency limiter connected to the first radio frequency switch; a low noise amplifier connected to the adjustable radio frequency limiter; a bandpass filter connected the low noise amplifier; a power splitter connected the bandpass filter; an attenuator connected to the power splitter; a second radio frequency switch connected to the power splitter; an active filter chain connected to the second radio frequency switch; a third circulator connected to the attenuator and the first circulator; a power detector connected to the third circulator; and a trigger generator connected to the power detector.

The present invention is a signal isolation device comprising: a first circulator; a second circulator connected to the first circulator; a first radio frequency switch connected to the second circulator; an adjustable radio frequency limiter connected to the first radio frequency switch; a low noise amplifier connected to the adjustable radio frequency limiter; a bandpass filter connected the low noise amplifier; a power splitter connected the bandpass filter; an attenuator connected to the power splitter; a second radio frequency switch connected to the power splitter; an active filter chain connected to the second radio frequency switch; a third circulator connected to the attenuator and the first circulator; a power detector connected to the third circulator; and a trigger generator connected to the power detector.

A bandpass filter comprises first and second input terminals configured to receive a plurality of radio frequency signals having a phase difference, first and second load resistors connected in series to the first and second input terminals, respectively, a first switching unit connected in series to the first and second load resistors, a capacitor unit connected in series to the first switching unit, a second switching unit connected between the capacitor unit and a ground, and first and second output terminals connected between the first switching unit and the first and second load resistors, respectively.

There is provided a semiconductor device comprising: a first inverter circuit (11) connected in parallel to a crystal vibrating element (X1); a second inverter circuit (12) connected to the first inverter circuit (11) so as to share an input therewith, and outputting an oscillation signal; and a wave filter (14) connected to the second inverter circuit (12) and having a passband that is determined in advance and includes an oscillation frequency of the oscillation signal.