Amazingly, although the old and the new transmitters were built decades apart, the newer transmitter still used magnetic relays for its control system. The arrangement follows so-called “relay logic,” ...

The Si4720 internal block diagram, ... If you need a small FM transmitter and have a cavalier attitude to spectral purity then it’s easy enough to use a Raspberry Pi or just build an FM bug.

With over 1000 transmitters installed across the U.S. and over 350 students already trained, the training sessions were at full capacity in 2023. ... The first day of the training starts with a test ...

Abstract. Herewith is given the field strength contour diagram of the recently completed transmitter at Redmoss. The diagrams are given in the usual form, one sheet for use in conjunction with ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.”With a fortnight’s struggle, I completed the design of 4 mA to 20mA, ...

Investigation of the modifications to transmitter polar diagrams resulting from the erection of the Blaw-Knox mast at Droitwich. Report 1944-04 ...

Investigation of the modifications to transmitter polar diagrams resulting from the erection of the Blaw-Knox mast at Droitwich. C.P. Geoghegan. 1944 Jan. Report 1944-04 Download Jan 1944 ...