| Manufacturer | Part Number | Description |
|---|---|---|
| Hytek Microsystems | 80321 | 3 Input / 3 Output Digital Delay Line |
| Hytek | HY6340 | Switchable Constant Current Laser Diode Driver |
| Hytek | HY5100 | 2 Input / 3 Output Digital Delay Line |
| Hytek | HY-7110 | Miniature Proportionally Controlled Heater |
| Hytek Microsystems | HY6210 | High Speed Laser Diode Driver |
| hytek | HY5640 | Subminiature Controller |
