Power Loss After 7000DLE Warms Up
Posted: Tue Feb 07, 2023 12:59 am
Not sure where to post this, so Scott, please move the thread if needed.
So, ive noticed that my 7000DLE (blue face, Thetis v2.9.0 x64, FW v2.1.18) is losing output power after things get warm. I mainly operate AM and noticed my carrier power is starting to drop after 3 or 4 transmissions. With the drive slider in the same position, it output 51w in tune. After it warms up, it will output 46w with the drive slider in the same position. This translates to 25w +/- of carrier loss from my amplifier. Now, the case isnt getting overly warm and im no where near the limits of the rig.
My 200D did not do this. That thing was absolutely rock solid.
Any thoughts as to what could cause this? Bias changing with heat? Overheating in the low pass filter section?
Any help would be appreciated.
Perry
So, ive noticed that my 7000DLE (blue face, Thetis v2.9.0 x64, FW v2.1.18) is losing output power after things get warm. I mainly operate AM and noticed my carrier power is starting to drop after 3 or 4 transmissions. With the drive slider in the same position, it output 51w in tune. After it warms up, it will output 46w with the drive slider in the same position. This translates to 25w +/- of carrier loss from my amplifier. Now, the case isnt getting overly warm and im no where near the limits of the rig.
My 200D did not do this. That thing was absolutely rock solid.
Any thoughts as to what could cause this? Bias changing with heat? Overheating in the low pass filter section?
Any help would be appreciated.
Perry