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Class 330/206 - For filamentary cathode


Subclass of Class 330 - Amplifiers
Definition: Subject matter which may include the heater current supply
No. of patents: 3
Last issue date: 02/27/2001


NumberTitleIssue Date
6194774Inductor including bonding wires
An inductor includes a semiconductor substrate, pairs of pads formed on the semiconductor substrate at predetermined intervals with the pads in a pair spaced apart a predetermined distance, bonding wires connect the pads constituting the corresponding pai...
02/27/2001
4324950Amplifier for driving electrostatic loudspeakers
An amplifier for a capacitive load which includes a pair of high-voltage tube output circuits connected in a power output tube arrangement operating in push-pull for driving a capacitive load together with a feedback network connected between the Schmitt ...
04/13/1982
4290027Fail-safe active bandpass filter using a modified twin-T filter
A fail-safe active bandpass filter circuit is disclosed; that is, one having voltage gain and which is arranged to be fail-safe in the sense that opens, shorts and component value changes will not cause the circuit to self-oscillate and thereby produce a ...
09/15/1981
 
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