HT9831 -- 315/433MHz ASK Transmitter General Description The HT9831 is a highly integrated ASK transmitter IC for remote wireless applications in the 300 to 450MHz frequency band. This transmitter IC is a true "data-in, antenna-out" monolithic device making it very easy for users to implement a wireless system. It is only necessary to supply a crystal generated reference frequency, which is the RF carrier frequency divided by 32, and a few additional external parts to create a complete and versatile transmitter. The HT9831 is capable of delivering +9.5dBm into a 50ohms load. This power level is possible due to a small form factor transmitter (lossy antenna) which can operate near the maximum transmission regulation limit. Features Complete UHF ASK transmitter Frequency range 300MHz to 450MHz Data rates higher than 10kbps Output Power up to 10dBm Low voltage operation - down to 2.0V Data tracking function for device wake-up 上海辰祥電子科技有限公司 聯(lián)系人：周平 13917885749