Jun 19, 2011 #1 M Miltaridis Newbie level 6 Joined May 21, 2011 Messages 14 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Xanthi GR Activity points 1,378 I am using 2n3904 as a switch to switch ir leds from a 74 series ic. It works fine until about 3MHZ and i just need a faster transistor i think any suggestions here is the schematic :
I am using 2n3904 as a switch to switch ir leds from a 74 series ic. It works fine until about 3MHZ and i just need a faster transistor i think any suggestions here is the schematic :
Jun 19, 2011 #2 mister_rf Advanced Member level 5 Joined Feb 26, 2008 Messages 1,870 Helped 1,040 Reputation 2,088 Reaction score 953 Trophy points 1,393 Location Romania Activity points 11,515 2N2369A http://media.digikey.com/pdf/Data Sheets/ST Microelectronics PDFS/2N2369A.pdf 2N5769 **broken link removed** MPS918, MPS3563 http://www.onsemi.com/pub_link/Collateral/MPS918-D.PDF Last edited: Jun 19, 2011
2N2369A http://media.digikey.com/pdf/Data Sheets/ST Microelectronics PDFS/2N2369A.pdf 2N5769 **broken link removed** MPS918, MPS3563 http://www.onsemi.com/pub_link/Collateral/MPS918-D.PDF