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Class Information
Number: 330/181
Name: Amplifiers > Interstage coupling > D.c. coupled
Description: Subject matter wherein the series coupling from the output electrode of the preceding amplifier device to the input electrode of the following amplifier device of the two cascaded stages has a D.C. conductive path.

Sub-classes under this class:

Class Number Class Name Patents
330/183 With nonlinear device 0
330/182 With series reactive element between stages 0
330/184 With series resistance between stages 1

Patents under this class:

Patent Number Title Of Patent Date Issued
7804432 Integrated circuit device and electronic instrument Sep. 28, 2010
7633773 On-die anti-resonance structure for integrated circuit Dec. 15, 2009
5898337 Output signal level control circuit using different detecting sections in different output signal levels Apr. 27, 1999

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