LM1894N и другие
| Компонент | Описание | Производитель | |
| CM1894 | T-3 1/4 Miniature Bayonet Base |
Chicago Miniature Lamp,inc |
 |
| LM1894 | Dynamic Noise Reduction System DNR |
National Semiconductor |
|
| LM1894M | Dynamic Noise Reduction System DNR |
National Semiconductor |
|
| LM1894MX | Dynamic Noise Reduction System DNR |
National Semiconductor |
|
| LM1894N | Dynamic Noise Reduction System DNR |
National Semiconductor |
|