Jul 26, 2005 #1 Y ynhe Full Member level 3 Joined May 28, 2001 Messages 184 Helped 6 Reputation 12 Reaction score 2 Trophy points 1,298 Location China Activity points 1,343 Hi Please advice a simple bjt high voltage amplifier output : 200~400vpp in:1.5vpp BW:1khz output current_MAX:1mA Thanks!
Hi Please advice a simple bjt high voltage amplifier output : 200~400vpp in:1.5vpp BW:1khz output current_MAX:1mA Thanks!
Jul 26, 2005 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Have a look at the MSK130 high voltage opamp: **broken link removed** Its max supply is around 400V so it will be pretty close to what you need. Altenatively, you can build a similar amplifier using its equivalent schematic .. Regards, IanP
Have a look at the MSK130 high voltage opamp: **broken link removed** Its max supply is around 400V so it will be pretty close to what you need. Altenatively, you can build a similar amplifier using its equivalent schematic .. Regards, IanP
Jul 26, 2005 #3 Y ynhe Full Member level 3 Joined May 28, 2001 Messages 184 Helped 6 Reputation 12 Reaction score 2 Trophy points 1,298 Location China Activity points 1,343 Thanks! But I need only the simplest amplifier like one or two discreat BJT.
Jul 28, 2005 #4 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Have a look at the AB-class output-stage video amplifier. If proper HV transistors are used, you can possibly go as high as 400V .. Regards, IanP
Have a look at the AB-class output-stage video amplifier. If proper HV transistors are used, you can possibly go as high as 400V .. Regards, IanP