Updates 2002

29.12.2002 New items (2) in Books section and (3) in Magazines section..
28.12.2002 New items (8) in Books section.
26.12.2002 New item in Books section.
25.12.2002 New item in Books section. New schematic diagram in section Schematics (radio Barkarola).
21.12.2002 New item in Books section.
20.12.2002 New item in Gallery section (tube amplifier Philips  EL 6400)
18.12.2002 Short history of electron tube presented by Wojciech Pysz
17.12.2002 New section named Gallery.
14.12.2002 New schematic diagram in section Schematics (tube amplifier W-100/1).
12.12.2002 Article Type ECL low frequency amplifier, Radioamator 10/1952
11.12.2002 New items in Books section. Modification of the section structure.
8.12.2002 New items in Books section.
7.12.2002 Article Low frequency amplifiers, Radioamator 9/1952
6.12.2002 New schematic diagram in section Schematics (radio Ballada).
5.12.2002 New items in Books section.
4.12.2002 New items in Books section.
29.11.2002 Article Tube tester (Radioamator 10/1955) by Kazimierz Woliński
25.11.2002 Article Soviet dismountable power tubes in History section.
24.11.2002 New schematic diagram in section Schematics (radio Goplana).
21.11.2002 New item in Books and Quotations section. 
19.11.2002 Article Radio maintenance, Radioamator 8/1955.
17.11.2002 New items in Magazines section and in Books section.
13.11.2002 New items (4) in Books section.
11.11.2002 New items (8) in Magazines section.
7.11.2002 New items in Books section.
5.11.2002 New item in Books section.
3.11.2002 New schematic diagram in section Schematics (radio Meteor 2). The study Broadcasting in Poland - calendar by Wojciech Pysz.
1.11.2002 Updates in Catalog section and new items in Books section.
30.10.2002 New items in Books section.
29.10.2002 New schematic diagram in section Schematics (radio Symfonia). New item in Books section.
28.10.2002 New schematic diagram in section Schematics (radio Sonatina - Nokturn)
27.10.2002 New items in Books section.
26.10.2002 New items in Books section.
24.10.2002 New information in section Internet tubes monography.
23.10.2002 New section Internet tubes monography. It will be successively updated.
19.10.2002 5 new items in Books section.
17.10.2002 New items in Books section.
16.10.2002 New item in Books section.
13.10.2002 2 new items in Books section.
11.10.2002 Article How to elaborate two-tube amplifier, Radioamator 10/1952
07.10.2002 3 new items in Books section. Index of books has been divided into alphabetical groups.
03.10.2002 4 new items in Books section.
29.09.2002 Article How to elaborate one-tube AC-powered amplifier, Radioamator 9/1952
25.09.2002 Article Push-Pull guitar amplifier, Radioamator i Krótkofalowiec 5/1966
24.09.2002 Article Simple tube tester, Radioamator 12/1954
22.09.2002 New items in Books section.
21.09.2002 Article Low frequency voltage amplifiers, Radioamator 12/1954. New item in Books section.
19.09.2002 New items in Books section.
18.09.2002 New schematic diagram in section Schematics (radio Boston)
16.09.2002 New items in Books section.
11.09.2002 New schematic diagram in section Schematics (radio Relaks 2)
8.09.2002 Article (part 3) How to design and repair a mains transformer, Radioamator 5/1953
4.09.2002 Article (part 2) How to design and repair a mains transformer - detailed calculations of windings, Radioamator 4/1953
1.09.2002 New schematic diagram in section Schematics (radio KROKUS type 10501)
31.08.2002 Article (part 1) How to design and repair a mains transformer - repairing a transformer, Radioamator 3/1953
27.08.2002 Article Tube working in class B, Radioamator 12/1953
26.08.2002 Article Why pentode eliminated triode ?, Radioamator 5/1953.
25.08.2002 4 new items in Books section.
24.08.2002 5 new items in Books section.
22.08.2002 New schematic diagram in section Schematics (TV set Astra 4206U-6 see schematic) (159KB)
20.08.2002 Article Increasing of a tube amplifiers' power, Radioamator 11/1953
17.08.2002 Article Pentode - universal tube, Radioamator 7/1953
15.08.2002 14 new items in Books section.
14.08.2002 New item in Books section.
13.08.2002 Article Comparision of working of class A and class B amplifiers, Radioamator 1/1954
10.08.2002 Article Tetrode - screen tube, Radioamator 6/1953
8.08.2002 Catalog section.
7.08.2002 Article Uniwersalna charakterystyka częstotliwości wzmacniacza oporowego, (universal frequency characteristic of an amplifier) Radioamator 4/1953
6.08.2002 New items (4) in Books section.
4.08.2002 New items in Books section.

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