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