{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*SN75LBC187,pdf(Multichannel EI.*\",\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":"-Gn7X2aRSFmN2hMyaNEUCA","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*SN75LBC187,pdf(Multichannel EI.*\",\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}
哪位高手指导下SN74LBC174外围电路怎么设计的?
2013-06-19 15:28
sn65lbc184drAB终端匹配电阻怎么计算
2024-12-13 06:56
求推荐一个485芯片能pin to pin德州SN65LBC184DR,成本低廉,波特率在11.5K
2018-06-22 09:30
一个采用485接口的设备能连上主设备,两个也可以,超过三个就不行了,485接口芯片选用的是SN65LBC184,匹配电阻均加上去了,查不出是什么问题,请大神们帮忙看看解决下问题。
2017-08-08 15:09
当U18是75LBC184D时,晃动装置会导致通讯失败,并且DCDC的电压被拉低到1至2V,当用AZRS5485N.RDG时没有影响;当机壳可靠接地时这两款芯片都没有问题;感觉是184的抗干扰能力弱,但为什么会拉低低压呢?
2019-10-25 16:32
MAX187的引脚功能有哪些MAX187的操作时序及应用实列
2021-04-20 06:18
带SN切换(4G和5G同时切换)带SN切换(4G切换,5G不变)SN Change流程(4G不变、5G变更)
2021-03-01 10:50
有一款SN75LBC84说是带防雷保护的 ,如果用它,485芯片的A B出还需要保护电路吗?第三:求推荐几款485芯片,质量稳定好的,暂时不考虑成本的问题望大家赐教,谢谢
2019-10-28 19:46
`请问有大神用过或者了解USRR187这种雷达传感器不,想用一下这款传感器,但是不知道各个引脚的意义,有没大神指点一下,谢谢USRR187传感器照片如下:`
2019-08-20 08:17
大家好,新人请多关照;一个EI33,PC40材质的磁芯在25KHZ占空比50%电压12V,磁饱和5100高斯,要求其工作在磁饱和条件下,请问怎样计算线圈匝数?谢谢!
2016-06-27 13:29