Neven ← Feedback for iCircuit My feedback 1 result found include Vacuum Tube Devices, Diode, Triode, Tetrode and Pentode. 48 votes Vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close 1 vote 2 votes 3 votes Remove votes You have left! (?) (thinking…) under review · 1 comment · General · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Neven shared this idea · Jan 31, 2016