{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*PCM1802 pdf datasheet (24-BIT,.*\",\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\" : \".*PCM1802 pdf datasheet (24-BIT,.*\",\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 PCM1802 is a high-performance, low-cost,single-chip stereo analog-to-digital converter
2008-08-06 15:35
PCM1802 Single-Ended Analog-Input 24-Bit, 96-kHz Stereo A/D Converter datasheet (Rev. D)
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`LS7166A:24位增量编码器特性。•可编程计数模式:非正交、向上/向下、正交X1, X2或X4,二进制,BCD, 24小时时钟,mod-N和单周期。•在非正交模式下高达40MHz计数频率
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MC12014中文资料,pdf datasheet
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摘要:运用MATLAb仿真抽样信号的频谱, 分析满足不同条件下的抽样情况、验证奈奎斯特抽样定理& 不同量化电平情况下的信噪比的计算, 对PCM调制系统中的非均匀量化的压扩技术和编码进行仿真与计算
2011-07-08 08:37