[DYNAHI]技術討論專題
發表於 : 週五 2月 18, 2005 1:18 pm
有人建議開個主題來討論.. 我也覺得可行..
任何有關DYNAHI的訊息都可以在這裡集中討論.. 我會把重點整理在這個開文中..
有些訊息我會直接從HEAD-FI上拉過來.. (這樣會不會犯規??)
http://www5.head-fi.org/forums/showthread.php?t=78417
======================================
DYNAHI電路圖
DYNAHI電路板
PART LIST by K.G.
board parts for a pair of boards
(someone check this against pdf)
Boards (2)
Caps.
33 pf (2)
470 uf/50v (4)
.1uf (4)
.47uf (2)
Leds (4) 1.7 volt red
Opamps (?) any single low offset opamp (2)
Resistors
20 ohm (32) or 10 ohm (16) emitter resistors
100 (12)
150 (4)
500 (4)
2K (2) feedback resistors currently 1.2k on my unit to reduce gain
3.3K (4)
5K (14)
10K (4) plus 10k (2) input resistors
30K (4)
1M (2)
10k trimpot (2) optional
Transistors
2SA1145 (4)
2SC3381 (2)
2SK389 (2)
2SJ109 (2)
2SC2705 (4)
2SA1349 (2)
2SC3421 (8)
2SA1358 (8)
7815 or 78L15 (2)
7915 or 79L15 (2)
======================================
POWER SUPPLY UNIT
http://www5.head-fi.org/forums/showthread.php?t=93968
任何有關DYNAHI的訊息都可以在這裡集中討論.. 我會把重點整理在這個開文中..
有些訊息我會直接從HEAD-FI上拉過來.. (這樣會不會犯規??)
http://www5.head-fi.org/forums/showthread.php?t=78417
======================================
DYNAHI電路圖
DYNAHI電路板
PART LIST by K.G.
board parts for a pair of boards
(someone check this against pdf)
Boards (2)
Caps.
33 pf (2)
470 uf/50v (4)
.1uf (4)
.47uf (2)
Leds (4) 1.7 volt red
Opamps (?) any single low offset opamp (2)
Resistors
20 ohm (32) or 10 ohm (16) emitter resistors
100 (12)
150 (4)
500 (4)
2K (2) feedback resistors currently 1.2k on my unit to reduce gain
3.3K (4)
5K (14)
10K (4) plus 10k (2) input resistors
30K (4)
1M (2)
10k trimpot (2) optional
Transistors
2SA1145 (4)
2SC3381 (2)
2SK389 (2)
2SJ109 (2)
2SC2705 (4)
2SA1349 (2)
2SC3421 (8)
2SA1358 (8)
7815 or 78L15 (2)
7915 or 79L15 (2)
======================================
POWER SUPPLY UNIT
http://www5.head-fi.org/forums/showthread.php?t=93968