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參數(shù)資料
| 型號： | AS3902 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ISM 433 MHz ASK Transmitter |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大小： | 348K |
| 代理商： | AS3902 |
ISM 433 MHz ASK Transmitter – Preliminary Data Sheet
AS3902
Rev. A7, December 2000
Page 13 of 14
Figure 10:
Spurious emissions of the AS3902 measured close to the ETSI EN 300 220-1 recom-
mendation for wide-band equipment, clause 8.7, without modulation, transmitting a con-
stant “H“. (Only difference: 100 kHz RBW was used instead of 120 kHz). The highest
spurious emissions are generated at a carrier distance of 3.39 MHz (
m
C clock frequency).
The EN 300 220-1 specifies an absolute level of -36 dBm E.I.R.P. for spurious emissions.
This limits the maximum E.I.R.P. for a transmitter using the AS3902 to about -11 dBm.
Measurement was performed over a free-space link using R&S HL040 antenna for re-
ception.
Figure 11:
Demodulated RF wave for 10101… data pattern at 32kbit/s (linear scale)
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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 |
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