File:Cathode follower oscillator.gif

{{Non-free use rationale 2

|Description = The circuit is also known as differential amplifier oscillator, emitter follower oscillator or Peltz oscillator. This oscillator uses one connection to get a signal from the LC-circuit and feeds an amplified signal back. The amplifier is a long-tail pair of two triodes.

|Source = LC Oscillators and their Frequency Stability, Fig. 7

|Date = December 1949

|Author = Jiri Vackar

|Article = Cathode follower oscillator

|Purpose = For visual identification of the object of the article. The article as a whole is dedicated specifically to a discussion of this work.

|Replaceability = Any derivative work based upon the artwork would be a copyright violation, so creation of a free image is not possible.

|Minimality = Only used in one Wikipedia entry.

|Commercial = The use of a low resolution image of the artwork will not impact the commercial viability of the art.

|Other information = Published without a copyright notice {{PD-US-no notice}}

}}

{{Non-free 2D art}}

{{Category ordered by date|Non-free files uploaded as object of commentary|2024|03|08}}