| PART |
Description |
Maker |
| LT1684 1684I |
Micropower Ring Tone Generator
From old datasheet system
|
Linear
|
| CD22859 CD22859E |
Monolithic Silicon COS/MOS Dual-Tone Multifrequency Tone Generator
|
INTERSIL[Intersil Corporation]
HARRIS
|
| EM91420 |
Tone/Pulse Switchable Dialer with LCD Interface and Dual-Tone Melody Generator(0.15mA（脉冲）/0.3mA（音调）工作电流的音脉冲可转换的拨号器（带LCD接口和双音旋律发生器 音频/脉冲切换拨号器与LCD接口和双音旋律发生器.15毫安（脉冲）/0.3毫安（音调）工作电流的音脉冲可转换的拨号器（带液晶显示接口和双音旋律发生器）
|
Elan Microelectronics, Corp.
|
| EM91401A/B/C/D EM91401B EM91401A EM91401CP EM91401 |
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
Telephone Dialer Multi-Function Dialer
|
ELAN Microelectronics C...
ELAN Microelctronics Corp .
|
| ZNBG3110 ZNBG3110Q20 ZNBG3111 ZNBG3111Q20 |
Bias Generator with Polarity & Local Osc. Tone Switch.
FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION
|
ZETEX[Zetex Semiconductors]
|
| ZNBG3210 ZNBG3210Q20 ZNBG3211 ZNBG3211Q20 |
Bias Generator with Polarity & Local Osc. Tone Switch.
FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION
|
ZETEX[Zetex Semiconductors]
|
| MAX774IRGEVKIT |
"ISDN, Ring-Tone, Power Supply Evaluation Kit"
|
MAXIM - Dallas Semiconductor
|
| HT2830 |
Up/Down Tone Generator
|
HOLTEK[Holtek Semiconductor Inc]
|
| S2569A S2569 |
DTMF Tone Generator
|
GOULD
|
| M-993 |
Region 1 MF Tone Generator
|
Clare Inc
CLARE[Clare, Inc.]
Clare Inc.
|
| LS256 LS256D LS256B |
Telephone Speech Circuit With Multifrequency Tone Generator Interface(带多频语音发生器接口的电话语音电
|
ST Microelectronics
STMICROELECTRONICS[STMicroelectronics]
意法半导
|
| WM872201 |
Stereo DAC with Integrated Tone Generator and Line/Variable Level Outputs
|
Wolfson Microelectronics plc
|
