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參數(shù)資料
| 型號： | GA3222 |
| 廠商： | Gennum Corporation |
| 英文描述： | Advanta-TM ADRO-TM - Enabled DSP System |
| 中文描述： | 埃德瓦塔-商標(biāo)化作-商標(biāo)- DSP系統(tǒng)啟用 |
| 文件頁數(shù)： | 15/21頁 |
| 文件大?。?/td> | 291K |
| 代理商： | GA3222 |
GA3222 Preliminary Data Sheet
34477 - 0
February 2006
15 of 21
7.9 Audible Memory Change Indicator
The length of memory indicator beeps as well as the beep mode (single beep,
multi-beep or beeps disabled) are configurable. In addition, each memory can have
a different frequency and beep amplitude. Beeps can be non-masking (they do not
block the audio path), or masking (the audio path is disabled during beeps).
7.10 Cross Fader
To minimize potential loud transients when switching between memories, Advanta
uses a cross fader block. When the memory is changed, the audio signal is faded
out, and after switching to the next memory, the audio signal is faded back in. The
cross fader is also used during SDA programming.
7.11 SDA Communication
Advanta is programmed via the SDA pin using industry standard programming
boxes. During parameter changes the main audio signal path of the hybrid is
temporarily muted using the cross fader to avoid the generation of disturbing audio
transients. Once the changes are complete, the main audio path is reactivated.
Any changes made during programming are lost at power-off unless they are
explicitly burned to EEPROM memory.
7.12 Power Management
Advanta was designed to accommodate high power applications. AC ripple on the
supply can cause instantaneous reduction of the battery's voltage, potentially
disrupting the circuit's function. Advanta hybrids have a separate power supply and
ground connections for the output stage. This allows hearing instrument designers
to accommodate external RC filters in order to minimize any AC ripple from the
supply line. Reducing this AC ripple greatly improves the stability of the circuit and
prevents unwanted reset of the circuit caused by spikes on the supply line. For
more information on properly designing a filter to reduce supply ripple, please refer
to information note Using the GB3211 PARAGON Digital in High Power
Applications Initial Design Tips, document #24561.
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| GA3224 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:PARAGON-TM DIGITAL Two Channel DSP System |
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| GA3-250 | 制造商:Southco 功能描述: |
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| GA3250-BL | 制造商:Coilcraft Inc 功能描述:Coupled inductor, for MAX 14521E, SMT, RoHS |
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