Е Екатерина Well-known member Joined Apr 17, 2021 Messages 57 Location Vladivostok Yesterday at 8:38 PM #121 RuudNL said: I suppose this is possible. The pinning of the EF800/EF184 is different than the EF86, but you can check this with the datasheet. It might be that you have to change the value of the cathode resistor for correct biasing. Click to expand... What is the bias voltage you have set for this circuit in volts? Is it -1.6V or higher
RuudNL said: I suppose this is possible. The pinning of the EF800/EF184 is different than the EF86, but you can check this with the datasheet. It might be that you have to change the value of the cathode resistor for correct biasing. Click to expand... What is the bias voltage you have set for this circuit in volts? Is it -1.6V or higher
A abbey road d enfer Well-known member Staff member GDIY Supporter Moderator Joined Jan 22, 2008 Messages 17,690 Location Marcelland Today at 12:29 AM #122 Екатерина said: What is the bias voltage you have set for this circuit in volts? Is it -1.6V or higher Click to expand... Bias votage is almost irrelevant. Wjat counts is anode current. For good noise performance, this type of circuit usualy idles at about 0.5mA.
Екатерина said: What is the bias voltage you have set for this circuit in volts? Is it -1.6V or higher Click to expand... Bias votage is almost irrelevant. Wjat counts is anode current. For good noise performance, this type of circuit usualy idles at about 0.5mA.
Е Екатерина Well-known member Joined Apr 17, 2021 Messages 57 Location Vladivostok Today at 2:22 AM #123 abbey road d enfer said: Bias votage is almost irrelevant. Wjat counts is anode current. For good noise performance, this type of circuit usualy idles at about 0.5mA. Click to expand... Is it true that the standby anode current is 0.5ma? Thank you very much for your help
abbey road d enfer said: Bias votage is almost irrelevant. Wjat counts is anode current. For good noise performance, this type of circuit usualy idles at about 0.5mA. Click to expand... Is it true that the standby anode current is 0.5ma? Thank you very much for your help
