| Manufacturer | Part Number | Description |
|---|---|---|
Philips Semiconductors |
SAA1099 | Microprocessor Controlled Stereo Sound Generator |
Alpha Industries |
AA109-310 | GaAs IC 5 Bit Digital Attenuator With Serial-to-Parallel Driver 0.5-2.5 GHz |
| ETC Unknown Manufacturer | SAA1094-2 | Tone Ringer IC (14-Pin Plastic Package TO-116) |
Microsemi |
AA109 | SCRs . / Planar |