LM231 Serie
| Fr. Teil# | Beschreibung | Hersteller | Auf Lager | Operation |
| LM231N/NOPB | IC V/F CONV 100KHZ 8DIP | Texas Instruments | 857 |
|
| LM231AN/NOPB | IC V/F CONV 100KHZ 8DIP | Texas Instruments | 6611 |
|
| LM231AN | VOLTAGE TO FREQUENCY CONVERTER | National Semiconductor | 3037 |
|