No | Part number | Description ( Function ) | Manufacturers | |
7 | SAN2202 | SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER sames SAN2202 APPLICATION NOTE SINGLE CHIP “SPEAKERPHONE” WITH 8 - OHM LOUDSPEAKER AMPLIFIER 1 Scope This application note describes a low-cost add-on circuit for driving an 8Ω-Loudspeaker to get a simple loudhearing (“Speakerphone”) Telephone. To possible ways of supplying the amplifier are shown: SAN2202a: SAN2202b: Amplifier supply in shunt transistor path Amplif |
Sames |
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6 | SAN2202a | SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER sames SAN2202 APPLICATION NOTE SINGLE CHIP “SPEAKERPHONE” WITH 8 - OHM LOUDSPEAKER AMPLIFIER 1 Scope This application note describes a low-cost add-on circuit for driving an 8Ω-Loudspeaker to get a simple loudhearing (“Speakerphone”) Telephone. To possible ways of supplying the amplifier are shown: SAN2202a: SAN2202b: Amplifier supply in shunt transistor path Amplif |
Sames |
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5 | SAN2202b | SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER sames SAN2202 APPLICATION NOTE SINGLE CHIP “SPEAKERPHONE” WITH 8 - OHM LOUDSPEAKER AMPLIFIER 1 Scope This application note describes a low-cost add-on circuit for driving an 8Ω-Loudspeaker to get a simple loudhearing (“Speakerphone”) Telephone. To possible ways of supplying the amplifier are shown: SAN2202a: SAN2202b: Amplifier supply in shunt transistor path Amplif |
Sames |
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4 | SAN3010 | SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC |
Sames |
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3 | SAN3020 | SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS |
Sames |
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2 | SAN3021 | Single Chip Telephone: Using dynamic microphone as tone ringer sames SAN3021 APPLICATION NOTE SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer 1 Scope This Application Note describes how to modify the standard application AN1500A to use a dynamic microphone instead of the standard electret microphone. Additionally, an application is shown, which uses the dynamic microphone as tone ringer. 2 Key Features • Updati |
Sames |
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 |
|
LM317 | This is a popular adjustable voltage regulator. |
ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |