Hints and Kinks for the Radio Amateur by American Radio Relay League

By American Radio Relay League

QST s per thirty days tricks & Kinks column is without doubt one of the preferred sections of the journal and it s effortless to determine why. when you re within the temper for a night or weekend venture, you ll locate it in tricks & Kinks. if you happen to re trying to find an answer to an issue, likelihood is you ll locate it there as well.

The 18th version of tricks and Kinks for the Radio novice gathers the simplest initiatives and problem-solving counsel spanning eight years from 2004 via 2011. It s greater than a hundred and seventy pages of sensible details you should use each day.

Contents:Equipment counsel and Mods, Batteries and different strength resources, cellular and conveyable Stations, software program and desktops, Troubleshooting/Test apparatus, recovery, Construction/Maintenance, Antenna platforms, working, round the Shack and
Interference (RFI/EMI)

Show description

Read or Download Hints and Kinks for the Radio Amateur PDF

Best electronics: radio books

Real-time systems. Scheduling, analysis and verification

"The writer presents a considerable, up to date evaluate of the verification and validation process…" (Computer journal, November 2004) "The unifying dialogue at the formal research and verification equipment are specially useful and enlightening, either for graduate scholars and researchers. " (International magazine of basic platforms, December 2003) the 1st publication to supply a finished evaluate of the topic instead of a set of papers.

Frequency Selective Surfaces: Theory and Design

". .. Ben has been the world-wide guru of this know-how, supplying aid to purposes of every kind. His genius lies in dealing with the tremendous advanced arithmetic, whereas even as seeing the sensible issues interested by using the consequences. As this publication truly indicates, Ben is ready to relate to newbies drawn to utilizing frequency selective surfaces and to give an explanation for technical info in an comprehensible method, liberally spiced along with his exact model of humor.

Extra info for Hints and Kinks for the Radio Amateur

Sample text

14. Solder the transistor's collector lead to the unused center pin on the same side of the board. 15. Connect one end of the short-lead IO-kG resistor to the base lead of the new transistor. 16. Connect the other end of the lO-kll to the A pin, third from rear, on the left side of the board. 17. Check your work. 18. Replace the insulator under the board and plug the board back in, new transistor and blue potentiometers on the left. 19. Replace the two board-retaining screws. 20. Replace the VFO top cover.

Each time, I discovered the resultant frequency change only after I returned the rig to receive mode. * PHONO JACK * - SEE TEXT Fig 33-A schematic of KA1PL's phone-patch box. Use shielded cable for the audio lead. KA1PL mounted the mic socket, phono jack and resistor in a 2 x 2314 x 'l Va-inch metal box. 1) Open the microphone case and locate the PTT switch. 2) Disconnect the red wire from the c terminal of the PTT switch and disconnect the two black wires from the NO terminal. 3) Solder the red wire to the NO terminal.

Also see Feedback, OST, Nov 1976, P 22. 21Circuit boardsand kits for this receiver are available from Circuit Board Specialists. 1 ,uF OUT *10 kO to pin 6. 6 kO from +13 V MUTING Rl (Ground for normal operation; un ground to mute) IF GAIN SIDETONE INPUT 1 10 kO V\/\----I,' to pin 6, U3 (D) Fig 44-Herb ley modified the Mini-Miser's Dream VFO for 40- or 3O-meter operation as shown at A. 207 MHz for 30 m. B shows Herb's added audio-filter switching, and C and D show muting and sidetone-input modifications not described in the text.

Download PDF sample

Rated 4.49 of 5 – based on 23 votes