{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*AD831 pdf datasheet (High-Perf.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"c8Ry91qkQA6igO07LZRl5w","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*AD831 pdf datasheet (High-Perf.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
The AD831 is a low distortion, wide dynamic range, monolithic mixer for use in such applications
2008-08-14 09:28
AD831革文件
2021-06-09 08:43
AD831上混频电路
2008-08-14 09:36
AD831下混频电路 图4 是AD831用于下混频工作时的典型电路。其电源电压应在±4.5~~±5.5V的范围内。图中用C1、C2
2009-09-08 08:03
AD831的工作原理
2009-09-08 08:05
AD831是美国ad公司生产的单片低失真混频器它采用双差分模拟乘法器混频电路"文中介绍了AD831工作原理!内部电路!引脚排列及功能说明最后给出了AD831在频踪式雷达本振中
2008-08-14 09:30
使用AD831进行下混频配置,采用datasheet提供的+-5V推荐电路,RF输入功率约为-3dbm,300MHz,LO输入功率约为-2.6dbm,300.02MHz,混频器无输出,为什么?
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混频器在广播、通信、电视等外差式设备及频率合成设备中具有广泛的应用,它是用来进行信号频率变换并可保持调制性质不变的电路组件,其性能对整个系统有着足轻得的作用。AD831是AD公司生产的低失真、宽动态
2019-06-20 06:09
AD831:低失真混频器数据表
2021-04-15 13:42
对dbpsk信号进行混频,我使用ad831进行混频对正弦波进行上下变频没问题,但加了信号后(即波形相位发生180度跳转)混频输出很差
2016-12-27 21:19