eafonyang
10 lines
656 B
SQL
10 lines
656 B
SQL
-- 产品详情（product_id=1）参数区块「RCA 输出音频特性」参数项
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-- 区块：www_section_blocks.id=28（spec_table），分组已预建：gid=4
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INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
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(4, '信噪比', 'SNR', '≥124.5dB', '≥124.5dB', 0),
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(4, '总谐波失真', 'THD+N', '＜−120dB @不加权', '< -120dB @ unweighted', 1),
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(4, '声道分离度', 'Crosstalk', '≥125dB (1kHz@100kΩ)', '≥125dB (1kHz@100kΩ)', 2),
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(4, '底噪', 'Noise Floor', '＜1.3uVrms', '< 1.3uVrms', 3),
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(4, '线路输出电平', 'Output Level', '2.1Vrms (1kHz@100kΩ)', '2.1Vrms (1kHz@100kΩ)', 4);
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