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參數(shù)資料
| 型號： | AS3901 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ISM 433/315 MHz FSK/ASK Transmitter |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大小： | 618K |
| 代理商： | AS3901 |
ISM 433/315 MHz FSK/ASK Transmitter – Data Sheet
AS3901
Rev. 6, August 2000
Page 2 of 18
Key Features
Supports the European 433 MHz ISM band.
No frequency pulling by (antenna) load variation due to PLL synthesizer.
Designed to be conform to EN 300 220-1 requirements.
Supports FSK (data rates 0…32 kb/s) or ASK modulation (data rates 0…20kb/s)
No data synchronization for FSK or ASK needed.
Supports clock and reset signals for the external μC.
Supports different power down modes, one without any running XTAL oscillator.
Wide supply range between 2.7 V to 5 V.
Only one XTAL and very few external elements required.
Wide operating temperature range from –40 C to +85 C.
Low TX current, typical 7 mA.
General Description
The AS3901 is a low power FSK/ (ASK) transmitter intended for the European 433 MHz
and the US 315 MHz ISM band application. It uses a PLL stabilized oscillator which
avoids frequency pulling by approaching the antenna with objects as it occurs at SAW
resonator based transmitters.
FSK modulation is performed by an I/Q-based continuous phase FSK modulator with a
well defined frequency deviation of 16 kHz. The FSK modulator is operating completely
asynchronous to the TX data stream and therefore needs no data clock or other possible
by switching the driving amplifier and FSK modulator on and off by an applied transmit
data stream.
The μC clock frequency and the FSK frequency deviation can be kept almost constant
for both frequency bands by selecting the correct scaling factors by the 433/315 pin. As
external components the AS3901 needs only a reference XTAL and 5 capacitors.
TSSOP-14
STDBY
CLK
DATA
TX
NRES
ANT1
ANT2
VDDRF
GNDRF
A
GND
VDD
1
2
3
4
5
6
7
XTAL2
433
XTAL1
8
9
10
11
12
13
14
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS3902 | ISM 433 MHz ASK Transmitter |
| AS3930-BTST | Low Frequency Wake-up Receiver; Package Type: TSSOP-16; Temperature Range: -40 - +85 °C; Supply Voltage: 2,40-3,60 |
| AS3930-BQFT | Low Frequency Wake-up Receiver; Package Type: QFN(4x4)-16; Temperature Range: -40 - +85 °C; Supply Voltage: 2,40-3,60 |
| AS3931 | 3D Low Power Wakeup Receiver |
| AS3932-BTST | Programmable 3D LF Receiver; Package Type: TSSOP-16; Temperature Range: -40 - +85 °C; Supply Voltage: 2,40-3,60 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS3902 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:ISM 433 MHz ASK Transmitter |
| AS3909 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:13.56 MHz RFID Reader IC, ISO-14443 A/B |
| AS39091FLF | 制造商:TT Electronics / IRC 功能描述:AS39091FLF |
| AS39091HLF | 制造商:TT Electronics / IRC 功能描述:AS39091HLF |
| AS39091JLF | 制造商:TT Electronics / IRC 功能描述:AS39091JLF |
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