{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*OP37,pdf datasheet (Operationa.*\",\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\" : \".*OP37,pdf datasheet (Operationa.*\",\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}
op37不仅具有OP07的低失调电压和漂移特性,而且速度更高、噪声更低。实现测量放大器的最好的解决方案就是应用通用集成运算放大器中的精密集成运算放大器OP07/PO37
2016-09-19 17:46
OP37这一设计变更将压摆率提高到17V/µs,并将增益带宽积提高到63 MHz。OP-37不仅具有OP-07的低失调电压和漂移特性,而且速度更高、噪声更低。失调电压低至25 µV,最大漂移为0.6 µV/°C,因而
2017-11-15 18:35
OP191 OP291 OP491电路图
2009-06-25 10:31
OP191 OP291 OP491管脚图
2009-06-25 10:32
OP196 OP296 OP496单电源KTD放大电路图
2009-06-26 15:08
OP196 OP296 OP496电路原理图
2009-06-26 15:09
OP196 OP296 OP496管脚图
2009-06-26 15:09
OP193 OP293 OP493管脚图
2009-06-25 10:33
OP295 OP495管脚图
2009-06-25 10:33
大家在利用OP做设计时,有时会出现莫名其妙的震荡,从而使设计变得很糟糕,这说明你设计的OP运放电路在不知不觉中满足了震荡条件AF=1,如果对该OP电路进行一些补偿,则消除该震荡,常用的
2020-09-10 11:39