| No | Part number | Description ( Function ) | Manufacturers | |
| 1 | HT9020B | Call Progress Tone Detector HT9020B Call Progress Tone Detector Features · Operating voltage: 2.5V~5.5V · Low power consumption · Low cost 32768Hz crystal · CPT Band: 305~640Hz detection · Good performance: -8 ~ -39 dBm at VDD=2.5V 0 ~ -27 dBm at VDD=5V · 8-pin DIP package General Description The HT9020B call progress tone detector is a telecom peripheral for Auto-dialing syst |
 Holtek Semiconductor |
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Recommended search results related to HT9020B |
| Part No | Description ( Function) | Manufacturers | |
| HT9020 | Call Progress Tone Decoder & ABR Controller HT9020 Call Progress Tone Decoder & ABR Controller Features • • • • • Low cost 32768Hz crystal Low power consumption Operating voltage: 2.5V to 5.5V (CPT mode) 2.0V to 5.5V (ABR mode) Call progress tone decoder – Fully decoded tristate call progre |
Holtek Semiconductor |
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List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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