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參數(shù)資料
| 型號： | MC33493 |
| 廠商： | Motorola, Inc. |
| 英文描述： | PLL tuned UHF Transmitter for Data Transfer Applications |
| 中文描述： | 鎖相環(huán)調(diào)諧數(shù)據(jù)傳輸應用超高頻發(fā)射器 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 595K |
| 代理商： | MC33493 |
6
MC33493 Technical Data
MOTOROLA
POWER MANAGEMENT
Figure 4: Signals waveforms and timings definition
POWER MANAGEMENT
When the battery voltage falls below the shutdown voltage threshold (V
SDWN
) the whole circuit is switched off. It
has to be noted that after this shutdown, the circuit is latched until a low level is applied on pin ENABLE (see
state 4 of the state machine).
DATA CLOCK
At start-up data clock timing is valid after the data clock settling time. As clock is switched off asynchronously,
the last period duration cannot be guaranteed.
ENABLE
DATACLK
DATA
State 1
State 2
State 3
t
DATACLK_settling >
t
PLL_lock_in
t
PLL_lock_in
MODE=0 (OOK)
RFOUT
MODE=1 (FSK)
State 1
f
carrier
f
carrier
f
high
f
low
f
high
f
low
: PLL locked
f
high
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC33493ADTBE | 功能描述:射頻發(fā)射器 UHF TRANSMITTER RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MC33493ADTBER2 | 功能描述:射頻發(fā)射器 UHF TRANSMITTER RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MC33493DTB | 功能描述:射頻發(fā)射器 315 434 868 MHz RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MC33493DTBE | 功能描述:射頻發(fā)射器 PLL TUNED UHF TRANSMITTE RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MC33493DTBER2 | 功能描述:射頻發(fā)射器 PLL TUNED UHF TRANSMITTE RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
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