{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*MAX1219 pdf datasheet (1.8V, D.*\",\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\" : \".*MAX1219 pdf datasheet (1.8V, D.*\",\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 MAX1219 dual, monolithic, 12-bit, 210Msps analog-to-digital converter (ADC) provides
2008-10-09 15:03
自己做了个FT2232D的USB转两路串口,同时带有串口转1.8V i2c接口,及1.8V SPI 接口我也共享一下,附件是原理图datasheet太大可以到ft官网上
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1.8V是一个比较低的电压,在电压供电电压中,1.8V电压的过于小了,在一些电子模块或者MCU中,无法达到供电电压,和稳压作用,PW5100就是可以在1.8V转5V的电
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电路图显示LTC3526LB是一种典型的单节升压器,用于为蓝牙无线电应用产生1.8V电压。它选择了它的小尺寸,最小的外部元件数和在所有负载电流下的低噪声,固定频率操作
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2020-07-15 07:32
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