ozonepool

hello friends. thnx for everything! this page about x0x415

2007.05.19 update, x0x pattern sheets.

x0x pattern ab x0x pattern ac x0x pattern ab neko

2007.05.08 x0x pattern sheets my x0x pattern sheets inspired idea from Robin Whittle's 303 pattern sheets. these x0x pattern sheets is no complete. it's in progress. thanx for Robin and U. click! below graphic.

x0x pattern a x0x pattern b x0x pattern a +5 x0x pattern aa

2007.04.11

x0xb0x #415 x0xb0x #415

2007.04.10

USB chip USB chip

2007.04.08

x0x_upperside x0x_bottomside

2007.03

2SA733 transistors

i got 200 2SA733AP. I got about 200 NEC 2SA733 transisotrs. at Japanes yahoo auction. price was 1,400 Japanese Yen (11.8 U.S. Dollar). Fairchild 2SA733P (x0x kit) x11 NEC 2SA733AP (A733 AP122) x181 NEC 2SA733AP (A733 AP244) X2 NEC 2SA733AQ (A733 AQ20Z) x16 -- beta test result : 351-360 --- beta/hfe 7 --- NEC 2SA733AP (AP122) 346-350 11(1) --- (n) is Fairchild 2SA733P 341-345 4 331-340 11 321-330 20(2) 311-320 23(1) 301-310 49(2) 291-300 51(3) 281-290 14(1) 271-280 (1) '1' --- 'n' is (AP244) 261-270 '1' -- 2SA733AQ (A733 AQ20Z) 160-200 16 (is all) --- use MASTECH M-830B Multimeter for test. it's very cheap. fFE value at the condition of base current 10uA and Vce 3V.