| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| U4050B | TEMIC Semiconductors | Speech Circuit with Line-Powered Loudspeaker Amplifier | 334 KB | 18 |  |
| U4083B-AFPG3 | TEMIC Semiconductors | Low-Power Audio Amplifier for Telephone Applications | 132 KB | 11 | |
| U4468B | ATMEL CORPORATION | Quasi-split Sound Circuit and AM Demodulator IC | 195 KB | 12 |  |
| U4074B | List of Unclassifed Manufacturers | TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP | 188 KB | 1 |  |
| U4030B | TEMIC Semiconductors | Telephone Speech Circuit | 167 KB | 14 | |
| U4037B | TEMIC Semiconductors | LOW VOLTAGE SPEECH CIRCUIT WITH TONE RINGER INTERFACE | 73 KB | 6 | |
| U4280BM | TEMIC Semiconductors | AM / FM - PLL | 172 KB | 9 | |
| U4089B | ATMEL CORPORATION | MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT | 662 KB | 25 | |
| U4275B | TEMIC Semiconductors | FM-Receiving Condition Analyser and Multipath Noise Cancellation | 125 KB | 12 | |
| U4791B | TEMIC Semiconductors | Automotive Lamp Outage Monitor, VT = 53 mV | 80 KB | 5 | |
| U4257BM-N | TEMIC Semiconductors | Automotive Lamp Outage Monitor, VT = 53 mV | 80 KB | 5 | |
| U4793B | ATMEL CORPORATION | Current Monitor IC | 178 KB | 8 | |
| U4255BM | ATMEL CORPORATION | Current Monitor IC | 178 KB | 8 | |
| U4614B | ATMEL CORPORATION | Current Monitor IC | 178 KB | 8 | |
| U429B | ATMEL CORPORATION | Current Monitor IC | 178 KB | 8 | |
| U4062B | TEMIC Semiconductors | HF Front End for Car Radios and HiFi Receivers | 219 KB | 21 | |
