Page history
14 June 2024
28 April 2024
27 April 2024
9 January 2024
5 April 2023
4 April 2023
3 April 2023
added to table & notes
+661
add bandwidth table
+752
added note about 50 Ohm voltage input impedance
+31
add wall wart photo
+229
added note on early version
m−120