{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*PCM1808,pdf(SINGLE-ENDED, ANAL.*\",\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\" : \".*PCM1808,pdf(SINGLE-ENDED, ANAL.*\",\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}
CJC1808设备是一个高性能,低成本,单芯片,立体声模拟到数字转换器与单端模拟电压输入。
2024-07-02 09:21
MS1808描述 MS1808 是采样速率为 8kHz96kHz 的立体声 A/D 转换器,适合于面向消费者的专业音频系统。 MS1808 通过使用增强型双位Δ∑技术来实现其高精度的特点
2022-08-05 08:47
MS1808 是带有采样速率 8kHz~96kHz 的立体声 A/D 转换器,适合于面向消费者的专业音频系统。pin对pin兼容PCM1808。
2022-09-20 17:10
低功耗模式,配备5V模拟电源和3.3V数字电源,适用于各种要求高性能和运行良好的消费类应用。 在性能上,NX6801可国产替代PCM1808。
2025-02-05 17:26 深圳市纳祥科技有限公司 企业号
什么是PCM PCM是用于将一个模拟信号(如话音)嫁接到一个64kbps的数字位流上,以便于传输。PCM将连续的模拟信号变换成离散的数字信号,在数字音响中普遍采用的是脉冲编
2009-04-10 12:55
The choice of SCSI (Small Computer System Interface) transceivers, whether single-ended (SE
2009-04-24 15:38
driver for a Piezoelectric Transducer (PZT). The relationship between source impedance and sound pressure level is measured, single-ended (S/E)
2009-05-05 11:17
AD1936: 4 ADC/8 DAC, 192 kHz, 24-Bit CODEC with PLL, Single-Ended Output, I2C Control
2010-01-07 17:14
具有PCM和DSD双功能的DAC芯片PCM1738 摘要:PCM1738是B-B公司生产的高级数模转换数码音响芯片,利用它可以同时对SACD音频格式的DSD数据流和DVD-Audio用的
2010-04-23 12:27
differential or one stereo differential analog microphone inputs, four analog single-ended microphone inputs
2019-11-21 09:13