| Компонент | Описание | Производитель | |
| PX-4220-DAP-FA | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DAP-FB | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DAP-FF | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DAP-FK | Hybrid TTL Clock Oscillator |
Vectron International, Inc |
|
| PX-4220-DAP-FS | Hybrid TTL Clock Oscillator |
Vectron International, Inc |