| PART |
Description |
Maker |
| CTCSS |
Generation of Non-Standard CTCSS Tones
|
CONSUMER MICROCIRCUITS LIMITED
|
| UPD9991F9-BA1 |
64 chords,up to 68 tones can be played simultaneously
|
NEC
|
| 1617 |
6 TONES SIREN/ALARM SOUND GENERATOR
|
友顺科技股份有限公司
Unisonic Technologies
|
| 1617 |
6 TONES SIREN/ALARM SOUND GENERATOR
|
UTC
|
| 1616 |
6 TONES SIREN/ALARM SOUND GENERATOR WITH SOFT CHIRP
|
Unisonic Technologies
|
| MX643DW MX643 MX643P |
International Special Information Tone Identification
Call Progress Tone Detector wlth Special Information Tones(SIT)
|
CMLMICRO[CML Microcircuits]
|
| AT73C204 AT73C204-EK AT73C204-EK2 AT73C204-EK1 |
From old datasheet system
Power Management for Mobiles (PM)
The AT73C204 provides an integrated power management solution for the add-on features in new-generation mobile phones. These features include a camera module, sound system for polyphonic ringing tones, memory module for downloaded MP3 file
|
Atmel Corp.
聚兴科技股份有限公司
ATMEL[ATMEL Corporation]
|
