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參數(shù)資料
| 型號(hào)： | HT9015 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | RF Single Chip for Cordless Phone |
| 中文描述： | 射頻單芯片無繩電話 |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 206K |
| 代理商： | HT9015 |
HT9015
12
April 10, 2000
Preliminary
Battery saving control
0
Operation
1
Battery saving
Bit
Control Block
TX-RF
TX-PLL
TX-RF= 1 and
RX-RF= 1
LOCAL OSC= OFF
TX-AF
MIC AMP, Compressor, Splatter
RX-RF
RX-VCO, RX-PLL, 1st MIX, 2nd MIX IF AMP, NOISE DET,
DATA COMP, RSSI
RX-AF
Pre AMP, Expander, Receiver AMP
MUTE control
0
normal
1
MUTE
MUTE for Compressor output.
These bits prevent the compander block going into a battery saving mode. Current consumption
therefore does not decrease.
Charge pump current control
PLL loop performance such as lock-up time can be changed by these control bits.
Bit
Control Output
0
1
TX CP
TX-PLL Charge Pump Output Current
200 A
400 A
RX CP
RX-PLL Charge Pump Output Current
200 A
400 A
BATTERY ALARM detection setting
There are has four threshold levels for low battery detection.
These threshold levels are shown on the table below.
(1)
BC
BA1
BA2
V
BAT-L
0
0
0
3.00V
0
0
1
3.25V
0
1
0
3.30V
0
1
1
3.45V
1
0
0
(2)
Battery Saving
1
1
1
(1)
BC bit in REF divider
(2)
Only for BATTERY ALARM block
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| HT9020B | Call Progress Tone Detector |
| HT9020 | Call Progress Tone Decoder & ABR Controller |
| HT9020A | Call Progress Tone Decoder & ABR Controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT9020 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9020A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9020A(18DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020A(18SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
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