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zhengxianxinhaofashengqi
- 本系统基于直接数字频率合成技术；以凌阳SPCE061A单片机为控制核心；采用宽带运放AD811和AGC技术使得50Ω负载上峰值达到6V±1V；由模拟乘法器AD835产生调幅信号；由数控电位器程控调制度；通过单片机改变频率字实现调频信号，最大频偏可控；通过模拟开关产生ASK、PSK信号。系统的频率范围在100Hz～12MHz,稳定度优于10-5，最小步进为10Hz
AD811
- AD811视频运算放大器的主要技术性能及其应用.
AD811[1]
- 很好的运算放大器，推荐大家使用这个运算放大器-Good op amp, we recommend the use of this op amp
DDSAD9850
- dssad9850信号源设计，基于9851单片机设计的，包括完整的设计工程代码和电路-dssad9850 source design, complete design engineering codes circuit based on the 9851 microcontroller
ad9833new
- Note: power on the +12V rail is about 90mA rising to 110mA with the outputs loaded and the freq. at 20Mhz. Power on the -12V rail is about 15mA rising to 23.7mA at 11MHz(peak load frequency) with the AD811 output loaded with a short or capacitor. Wit