| 327 / | HD | MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS |
| 365 | DF | GATING (I.E., SWITCHING INPUT TO OUTPUT) {12} |
| 407 | DF | .~ Converging with plural inputs and single output {3} |
| 411 | DF | .~.~ Bipolar transistor {1} |
| 412 | ![]() | .~.~.~ Push-pull circuit {1} |
| 413 | DF | .~.~.~.~> With complementary transistor devices |