(under subclass 157) Subject matter wherein the coupling includes a T, H, or Pi circuit network.
SEE OR SEARCH THIS CLASS, SUBCLASS:
185+, for amplifier input circuit networks including any with a T, H, or Pi circuit network. See (1) Note under subclass 157, above.
192+, for amplifier output circuit networks including any with a T, H, or Pi circuit network. See (1) Note under subclass 157, above.
SEE OR SEARCH CLASS
333, Wave Transmission Lines and Networks,
24+, appropriate subclasses thereunder for coupling circuits which may include T, H, of Pi networks. See the notes and search notes under Class 333, subclass 24.