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參數(shù)資料
| 型號： | ACE9040 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Audio Processor Advance Information |
| 中文描述： | 音頻處理器進(jìn)展信息 |
| 文件頁數(shù)： | 28/33頁 |
| 文件大?。?/td> | 335K |
| 代理商： | ACE9040 |
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28
ACE9040
Gain and filter set-ups for TACS, AMPS and user control bits: Transmit
TACS
AMPS
User control bit(s)
Microphone amp
22 or 32 dB
22 or 32 dB
MIG
Soft limiter
0 to - 30 dB
0 to - 30 dB
Internal
INPSENSE gain adjust
+ 8 dB
(- 12.8 to + 12 dB)
+ 8 dB
INPS[4:0]
(- 12.8 to + 12 dB)
TXBPF TX bandpass filter
0 dB
0 dB
Fixed
HFGAIN, TX Handsfree attenuator
0 to - 49 dB
0 to - 49 dB
THF[2:0]
Compressor: Compression about
unaffected level. (707 mVrms, - 3 dBV)
2:1
1
2:1
1
Fixed
Pre-emphasis gain control
(Internal compressor)
- 7 dB
- 11 dB
TACS & AMPS
Pre-emphasis gain control
0 dB
0 dB
Fixed
HARD LIMIT, Hard deviation limiter
+ 16.5 dB @ 4.85V
+ 13.5 dB @ 3.75V
+ 13.5 dB @ 3.75V
+ 16.5 dB @ 4.85V
V485 pin
TXLPF TX low pass filter
- 8 dB
- 8 dB
Fixed
AUDIODEV,
0 dB
0 dB
AUDEV[3:0]
(-2.8 to + 3.2 dB)
(-2.8 to + 3.2 dB)
TXSENSE, signal
0 dB
0 dB
TXSEN[3:0]
(-2.8 to +3.2 dB)
(-2.8 to +3.2 dB)
Nominal TX Channel Gain
(bypassed compressor)
28.5
2
dB @ 3.75 V
31.5
2
dB @ 4.85 V
23.5
2
dB @ 3.75 V
26.5
2
dB @ 4.85 V
Function Controlled by TACS & AMPS Bits
TACS
1
0
AMPS
0
1
Internal pre-emphasis gain control.
TACS = - 7.0 dB
AMPS= - 11.0 dB
APPLICATIONS INFORMATION
To help with system set up tables 22 to 25 show
ACE9040's functions and their respective controlling bits.
Table 23 shows the gains and filter characteristics pre-
determined when setting the TACS & AMPS cellular system
selection bits. Tables 23 & 24 show these functions
respectively for the transmit and receive sections of ACE9040.
Table 25 shows the four control messages with an example of
the data to turn all ACE9040 functions on.
Table 22 Functions Controlled by TACS & AMPS Bits
Notes:
1. Above the unaffected (0 dB gain) level the compressor attenuates and below this level it provides gain.
2. MIC gain = 22 dB
Table 23 Transmit gain and filter set-ups for TACS, AMPS and user control bits
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ACE9050 | System Controller and Data Modem(為蜂窩式手機(jī)提供控制和邏輯接口功能的系統(tǒng)控制器和數(shù)據(jù)調(diào)制解調(diào)器) |
| ACE9050 | System Controller and Data Modem Advance Information |
| ACFA-450 | AM CERAMIC FILTERS |
| ACFA-455 | AM CERAMIC FILTERS |
| ACFA-459 | AM CERAMIC FILTERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACE9040IGFP1N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RF/Baseband Circuit |
| ACE9040IGFP1R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RF/Baseband Circuit |
| ACE9040IGFP2N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RF/Baseband Circuit |
| ACE9040IGFP2R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RF/Baseband Circuit |
| ACE9040J/IW/FP1Q | 制造商:Rochester Electronics LLC 功能描述: 制造商:Zarlink Semiconductor Inc 功能描述: 制造商:ZARLINK 功能描述: |
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