| The PAL, NTSC and SECAM television standards are all several decades old. Even in this digital era, most people still have television sets t...
More about RF (617)
| WiFi detectors are small gadgets that claim to detect wireless access points for computer networks. The effectiveness of these devices is al...
| In line with this month’s focus on all things Wireless I am covering a vintage instrument that has given me many years of excellent service...
| As we all know, checkout gates in highstreet stores will faithfully sound an alarm if you walk out with an item not ‘cleared’ by checkout st...
| Digital terrestrial television (DVB-T) is now available in many parts of the country. Of course, you need a DVB-T receiver and a (new) UHF T...
| Since the introduction of the I2C bus in the eighties by Philips it has been used many times to provide a simple connection between a PC and...
| It’s safe to say that every modern PC for home or office use has an internal soundcard. In general, the quality of the PC’s sound subsystem...
| The National Semiconductor LMV225 is a linear RF power meter IC in an SMD package. It can be used over the frequency range of 450 MHz to 200...
| Here is a high performance RF amplifier for the entire VHF broadcast and PMR band (100-175 MHz) which can be successfully built without any...
| Superheterodyne receivers have been mass-produced since around 1924, but for reasons of cost did not become successful until the 1930s. Befo...