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Class Information
Number: 330/177
Name: Amplifiers > Interstage coupling > With coupling or blocking capacitor
Description: Subject matter wherein any path traced in series from the output electrode of the preceding of the two cascaded amplifying devices to the input electrode of the amplifier device of the following stage contains at least one capacitor.










Sub-classes under this class:

Class Number Class Name Patents
330/179 L in anode or grid circuit 1
330/180 With r in anode and grid circuit (rc coupling) 2
330/178 With r or l in series between stages 1


Patents under this class:

Patent Number Title Of Patent Date Issued
8284962 Electronic bass instrument tube preamplifier Oct. 9, 2012
7714371 Shielded capacitor structure May. 11, 2010
6952159 Coupling device Oct. 4, 2005
4902985 Microwave reflectiion amplifiers having increased bandwidth Feb. 20, 1990











 
 
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