Ramsey Electronics SR2 Manual de Instruções

SC-1 • 1 SHORTWAVE CONVERTER KIT Ramsey Electronics Model No. SC1 Fascinating listening for all ages and abilities - tunes the world fro

SC-1 • 10 ❒ 13. Be certain to double check your component values, this will save you a lot of problems! Now let's get back to building! ❒ 14. I

SC-1 • 11 ❒ 31. Install C9, .001 uF (marked .001, 102, or 1 nF). Installation of Q3 oscillator coils L1 and L2: The wiring of your SC1 is now finishe

SC-1 • 12 SETTING UP THE SC1 FOR A HOME STEREO SYSTEM: ❒ 1. Make sure the stereo AM-FM receiver has provisions for attaching an external AM antenn

SC-1 • 13 SETTING YOUR LISTENING BANDS The nice thing about the SC1 for beginners is that you'll hear some kind of shortwave signals as soon

SC-1 • 14 Notice that the 11MHz band is available in BOTH the B-C and A-C jumper settings for L1. The higher frequency bands are intended primarily fo

SC-1 • 15 UNDERSTANDING WHAT YOUR RADIO IS ACTUALLY TUNING As mentioned in the SC1 circuit description, this converter is broadbanded, meaning tha

SC-1 • 16 If you've enjoyed building this kit, why not consider some other fine Ramsey kits? There are other bands to explore and Ramsey has them

SC-1 • 17

SC-1 • 18

SC-1 • 19 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting t

SC-1 • 2 RAMSEY TRANSMITTER KITS • FM100B Professional FM Stereo Transmitter • FM25B Synthesized Stereo Transmitter • AM1,

SC-1 • 20 Shortwave Converter Kit Quick Reference Page Guide Introduction to the SC1 ...4 What you can expect to hear ...

SC-1 • 3 SHORTWAVE CONVERTER KIT Ramsey Publication No. SC1 Price $5.00 TABLE OF CONTENTS Introduction to the SC1 ...4 What

SC-1 • 4 INTRODUCTION The Ramsey SC1 Shortwave Converter is perhaps one of the most enjoyable, versatile and interesting radio kits you could ever b

SC-1 • 5 when portable broadcast band radios are very cheap, or often available free in various promotions, we can only suggest that you study how a p

SC-1 • 6 PARTS SUPPLIED WITH THE SC1 KIT CAPACITORS  1 4.7 or 5 pF disc [marked 4.7 or 5K] (C6)  2 100 pF disc [marked 100, 101, or 101K]

SC-1 • 7 RAMSEY SC1 PARTS LAYOUT

SC-1 • 8 CIRCUIT DESCRIPTION Q3 functions as part of a variable Colpitts oscillator which utilizes S2 and jumper points A,B,C to setup a choice of

SC-1 • 9 RAMSEY SC1 KIT ASSEMBLY In all PC board assembly steps, our word "INSTALL" means to do this: • Insert the part, oriented