A multi-tap device for a cable television (CATV) system includes a tap housing and a faceplate configured to be connected to the tap housing. The device also includes a first circuit board configured to be connected to the tap housing. The device also includes a second circuit board configured to be connected to the faceplate and to the first circuit board. The device also includes an access cover connected to the tap housing. The access cover is configured to be opened to provide access to disconnect the first circuit board from the tap housing and from the second circuit board and to subsequently remove the first circuit board from the tap housing, thereby changing a tap value of the multi-tap device. The second circuit board is configured to remain connected to the faceplate and positioned within the tap housing when the first circuit board is removed from the tap housing.

A multi-tap device for a cable television (CATV) system includes a tap housing and a faceplate configured to be connected to the tap housing. The device also includes a first circuit board configured to be connected to the tap housing. The device also includes a second circuit board configured to be connected to the faceplate and to the first circuit board. The device also includes an access cover connected to the tap housing. The access cover is configured to be opened to provide access to disconnect the first circuit board from the tap housing and from the second circuit board and to subsequently remove the first circuit board from the tap housing, thereby changing a tap value of the multi-tap device. The second circuit board is configured to remain connected to the faceplate and positioned within the tap housing when the first circuit board is removed from the tap housing.

A ladder type acoustic wave filter is disclosed. The acoustic wave filter can include a plurality of parallel arm resonators and a plurality of series arm resonators, in which an electromechanical coupling coefficient of a parallel arm resonator closest to an input node of the acoustic wave filter among the plurality of parallel arm resonators can be smaller than an electromechanical coupling coefficient of a series arm resonator closest to the input node among the plurality of series arm resonators.

A ladder type acoustic wave filter is disclosed. The acoustic wave filter can include a plurality of parallel arm resonators and a plurality of series arm resonators, in which an electromechanical coupling coefficient of a parallel arm resonator closest to an input node of the acoustic wave filter among the plurality of parallel arm resonators can be smaller than an electromechanical coupling coefficient of a series arm resonator closest to the input node among the plurality of series arm resonators.

A filter device having a reduced sensitivity to production tolerances comprises a multilayer panel with integrated wiring, a piezoelectric substrate mounted to the panel. A first filter circuit (FC.sub.1) and a signal path (SP) comprising a second filter circuit are realized on the substrate and connected to a common antenna terminal (AT) as well as to a common node (CN) located on top of the piezoelectric substrate. A first matching circuit (MC.sub.1) and further matching circuits (MC.sub.2) are realized by the wiring in the multilayer panel.

A filter device having a reduced sensitivity to production tolerances comprises a multilayer panel with integrated wiring, a piezoelectric substrate mounted to the panel. A first filter circuit (FC.sub.1) and a signal path (SP) comprising a second filter circuit are realized on the substrate and connected to a common antenna terminal (AT) as well as to a common node (CN) located on top of the piezoelectric substrate. A first matching circuit (MC.sub.1) and further matching circuits (MC.sub.2) are realized by the wiring in the multilayer panel.

An apparatus includes parallel delay lines, each exhibiting a delay; a first set of switches for each port of a first set of ports, each of which is to selectively couple a port of the first set of ports to first ends of the delay lines; a second set of switches for each port of a second set of ports, each of which to selectively couple a port of the second set of ports to second ends of the delay lines. A signal source generates a series of clock signals that are sequentially time delayed between the first set of switches and the second set of switches, where an input signal at one of the first or second sets of ports travels back and forth across the first and second sets of delay lines according to activation of the first set and second set of switches until being output.

An apparatus includes parallel delay lines, each exhibiting a delay; a first set of switches for each port of a first set of ports, each of which is to selectively couple a port of the first set of ports to first ends of the delay lines; a second set of switches for each port of a second set of ports, each of which to selectively couple a port of the second set of ports to second ends of the delay lines. A signal source generates a series of clock signals that are sequentially time delayed between the first set of switches and the second set of switches, where an input signal at one of the first or second sets of ports travels back and forth across the first and second sets of delay lines according to activation of the first set and second set of switches until being output.

An apparatus includes parallel delay lines, each exhibiting a delay; a first set of switches for each port of a first set of ports, each of which is to selectively couple a port of the first set of ports to first ends of the delay lines; a second set of switches for each port of a second set of ports, each of which to selectively couple a port of the second set of ports to second ends of the delay lines. A signal source generates a series of clock signals that are sequentially time delayed between the first set of switches and the second set of switches, where an input signal at one of the first or second sets of ports travels back and forth across the first and second sets of delay lines according to activation of the first set and second set of switches until being output.

An apparatus includes parallel delay lines, each exhibiting a delay; a first set of switches for each port of a first set of ports, each of which is to selectively couple a port of the first set of ports to first ends of the delay lines; a second set of switches for each port of a second set of ports, each of which to selectively couple a port of the second set of ports to second ends of the delay lines. A signal source generates a series of clock signals that are sequentially time delayed between the first set of switches and the second set of switches, where an input signal at one of the first or second sets of ports travels back and forth across the first and second sets of delay lines according to activation of the first set and second set of switches until being output.