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radioam232

antennetuner for Shortwave receivers
coil and capacitor over it to attenuate an antenne of a certain length to a shortwave receiver
 
Uploaded: August 23, 2007 at 5:32 pm
Author: radioam232
 
Length: 01:04
Rating: 5.00
Views: 1699
 
Tags: antenne  ham  NL11561  radioamateur  receiver  shortwave  tuner  
 
receiving fax on shortwave
meteological information (fax/weathermap)received on 9july2007
 
Uploaded: July 9, 2007 at 9:02 am
Author: radioam232
 
Length: 00:58
Rating: 5.00
Views: 1828
 
Tags: 4.1  fax  ham  meteo  NL11561  radio  radioamateur  shortwave  weather  
 
LED burning on electromagnetic waves / resonance
This is continuation of the video "lamp burning on electromagnetic waves". Here I show a LED that burns on radio waves. Due to the fact...
 
Uploaded: August 31, 2008 at 10:47 am
Author: radioam232
 
Length: 02:46
Rating: 5.00
Views: 163
 
Tags: burning  circuit  coil  electromagnetic  energy  factor  free  frequency  LED  NL11561  no  oscillator  radioam232  resonance  tank  tune  tuning  waves  
 
building a simple oscilloscope part 1
building a very simple oscilloscope (still without X and Y amplifiers)
 
Uploaded: December 21, 2007 at 3:00 pm
Author: radioam232
 
Length: 01:30
Rating: 5.00
Views: 1689
 
Tags: cathode  homebrew  NL11561  oscilloscope  radioam232  ray  tube  
 
elementary electronics 1 / detecting current
These video's are useful (I hope so) for beginners in electronics and all people interested in this matter. They show how to build succesfully some...
 
Uploaded: April 8, 2008 at 10:22 am
Author: radioam232
 
Length: 05:00
Rating: 5.00
Views: 1727
 
Tags: accu  current  detect  diode  electronics  elementary  fuse  lamp  led  loader  NL11561  part  radioam232  reverse  valve  
 
how to test a bipolar transistor NPN or PNP
principles of testing a bipolar tran sistor by measuring the ratio between the base current and the C-E current
 
Uploaded: March 7, 2008 at 8:12 am
Author: radioam232
 
Length: 02:53
Rating: 5.00
Views: 2782
 
Tags: base  bipolar  collector  current  emitter  NL11561  NPN  PNP  radioam232  test  testing  transistor  
 
building a simple oscilloscope part 12
simple homebrew oscilloscope still without X and Y amplifiers
 
Uploaded: December 21, 2007 at 4:07 pm
Author: radioam232
 
Length: 01:28
Rating: 5.00
Views: 921
 
Tags: cathode  homebrew  NL11561  oscilloscope  radioam232  ray  tube  
 
Old tube radio BC 728 from the US Army
portable radio from World War II (as I see it well), 8 kg, shortwave 2-6 MHz, schematic in the book "Das Surplus Handbuch" from Bernd...
 
Uploaded: December 30, 2007 at 3:22 pm
Author: radioam232
 
Length: 02:10
Rating: 5.00
Views: 3267
 
Tags: 2-6  728  Army  BC  Ham  MHz  NL11561  Old  radio  radioam232  receiver  Shortwave  US  
 
how to test a bipolar transistor NPN or PNP part 2
testing bipolar transistors by putting them as unknown transistor in a flip flop schematic
 
Uploaded: March 7, 2008 at 8:42 am
Author: radioam232
 
Length: 02:27
Rating: 5.00
Views: 1848
 
Tags: base  bipolar  collector  emitter  NL11561  NPN  PNP  radioam232  test  testing  transistor  transistors  
 
mosfet as switch
n-channel power mosfet SSH6N80 from Samsung used as switch for carlamp 12 V-3 A. Other N-Channel power mosfets also will work
 
Uploaded: December 9, 2007 at 4:24 pm
Author: radioam232
 
Length: 01:11
Rating: 5.00
Views: 7306
 
Tags: 12  30  carlamp  fet  mosfet  NL11561  power  radioam232  SSH6N80  switch  transistor  
 


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