Mark Levinson 32 and 38 preamps:
使用固態元件 , 不會有繼電器切換的聲音且快速平順
【電路收集】
電子頑家
阻抗匹配問題 阿通伯—-淺談阻抗匹配(上)
http://ta2020.huuryuu.com/nosDAC_e.html
Amanero reclock
https://hifiduino.wordpress.com/2012/12/01/amanero-reclocking-352-8k384k/
IIS reclock 74AUP1G79
http://www.dimdim.gr/tag/i2s/
[ 元件資料收集]
Ladder-Type-50K-100k及接線圖
接線圖
經測試靠近旋鈕的那個INPUT 接訊號輸入, OUTPUT 音量調整後輸出 !
"0 10 39 86 154
275 500 645 750 1k 1.5k 1.8k 2.48k 3.6k 4.3k 5.6k 6.9k 9.5k 12.6k 14k 20k 24.7k 36.3k 50k
阻抗匹配問題 阿通伯—-淺談阻抗匹配(上)
http://ta2020.huuryuu.com/nosDAC_e.html
Amanero reclock
https://hifiduino.wordpress.com/2012/12/01/amanero-reclocking-352-8k384k/
IIS reclock 74AUP1G79
http://www.dimdim.gr/tag/i2s/
[ 元件資料收集]
Ladder-Type-50K-100k及接線圖
接線圖
經測試靠近旋鈕的那個INPUT 接訊號輸入, OUTPUT 音量調整後輸出 !
"0 10 39 86 154
275 500 645 750 1k 1.5k 1.8k 2.48k 3.6k 4.3k 5.6k 6.9k 9.5k 12.6k 14k 20k 24.7k 36.3k 50k
" --- 50K Ohm
P.S. 1 INPUT端,先串 50K ohm 電阻, 可以變成 100K 電位器
級進電阻器 及電阻
"22級電阻值分別為:
0 100 250 468 800 1.27k 1.95k 2.95k 4.24k 5.74k 7.92k 11.21k 15.5k 22.3k 32.2k 42.3k 54.3k 66.3k 79.3k 90.3k 99.3k 106.1k " --- 100K Ohm
draloric-resistors
Potato semi. PO74G74AS
露天賣家 flashing
74LVC1G79GW TSSOP5 Single D-type flip-flop 5V 0.5~3.8 ns -40~85 C
74LCX74DTG 2-3.6V CMOS Dual D-Type TSSOP14 3.6V 1.5~7 ns
74VHC1GT04DF 5V 7.5~8.5 ns
clear power 看來不錯的 Assembeld-LT1963-LT3042-two-stage-regulator
https://www.ebay.com/itm/Assembeld-LT1963-LT3042-two-stage-regulator-linear-power-supply-board-L12-50/192781228719
[套件]
ians-i2s-fifo-re-clocker
TPS7A3301 -5V -9 -12 -15V -18V 1A Low Noise LDO Negative Voltage
[測試]
簡易音量電位器測試
[相關網站]
]https://twitter.com/iancanadatt
https://www.diyaudio.com/forums/digital-line-level/192465-asynchronous-i2s-fifo-project-ultimate-weapon-fight-jitter-468.html#post5527560
團購
IanCanada 團購
https://community.roonlabs.com/t/allo-digione-board/18564
P.S. 1 INPUT端,先串 50K ohm 電阻, 可以變成 100K 電位器
級進電阻器 及電阻
"22級電阻值分別為:
0 100 250 468 800 1.27k 1.95k 2.95k 4.24k 5.74k 7.92k 11.21k 15.5k 22.3k 32.2k 42.3k 54.3k 66.3k 79.3k 90.3k 99.3k 106.1k " --- 100K Ohm
draloric-resistors
Potato semi. PO74G74AS
露天賣家 flashing
74LVC1G79GW TSSOP5 Single D-type flip-flop 5V 0.5~3.8 ns -40~85 C
74LCX74DTG 2-3.6V CMOS Dual D-Type TSSOP14 3.6V 1.5~7 ns
74VHC1GT04DF 5V 7.5~8.5 ns
clear power 看來不錯的 Assembeld-LT1963-LT3042-two-stage-regulator
https://www.ebay.com/itm/Assembeld-LT1963-LT3042-two-stage-regulator-linear-power-supply-board-L12-50/192781228719
[套件]
ians-i2s-fifo-re-clocker
TPS7A3301 -5V -9 -12 -15V -18V 1A Low Noise LDO Negative Voltage
[測試]
簡易音量電位器測試
[相關網站]
]https://twitter.com/iancanadatt
https://www.diyaudio.com/forums/digital-line-level/192465-asynchronous-i2s-fifo-project-ultimate-weapon-fight-jitter-468.html#post5527560
團購
IanCanada 團購
https://community.roonlabs.com/t/allo-digione-board/18564
http://www.diyresearch.net/?p=12 使用 VISHAY DG213當成開關元件
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