Ramsey Electronics UAM2 Manuale delle Istruzioni

UAM2• 1 Universal Audio Amplifier Ramsey Electronics Model No. UAM2 • Whopping 20W output at 18V. • Runs on 8V to 18V DC. • SNR: 102dB at 15

UAM2• 10  18. Install L1, surface mount ferrite bead, under D3.  19. Install C2, 1 uF surface mount capacitor, under L1.  20. Install C13, .22 uF

UAM2• 11 SETUP AND TESTING Well, setup and testing for this kit is really easy. Just plug in a line level or even headphone level audio source into

UAM2• 12 SETUP AND TESTING Well, setup and testing for this kit is really easy. Just plug in a line level or even headphone level audio source into J

UAM2• 13 UAM2 BOARD PARTS LAYOUT DIAGRAM UAM2 MAIN BOARD SCHEMATIC

UAM2• 14 CONCLUSION We sincerely hope that you will enjoy the use of this Ramsey product. As al-ways, we have tried to compose our manual in the eas

UAM2• 15 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting

UAM2• 16 TABLE OF CONTENTS Introduction to the UAM2 ... 4

UAM2• 2 PARTIAL LIST OF AVAILABLE KITS: RAMSEY TRANSMITTER KITS • FM10A, FM25B FM Stereo Transmitters • AM1, AM25 Transmitter RAM

UAM2• 3 Universal Audio Amplifier Ramsey Publication No. UAM2 Manual Price Only $5.00 TABLE OF CONTENTS

UAM2• 4 INTRODUCTION The UAM2 is a small, high quality audio amplifier that you can plug any line level source into and get a whopping 20W out! So

UAM2• 5 First, your audio input is compared to a high frequency reference signal. This generates two squarewave outputs. These outputs change phase

UAM2• 6 RAMSEY Learn-As-You-Build KIT ASSEMBLY There aren’t that many solder connections on the UAM2 printed circuit board, but you should still pr

UAM2• 7 be installed by holding it with tweezers in contact with the “tinned” trace and re-heating the solder (see the associated diagrams). Another

UAM2• 8 UAM2 PARTS LIST Sort and “check off” the components in the boxes provided. We do our best to pack all our kits correctly but it is possibl

UAM2• 9 UAM2 PC BOARD ASSEMBLY STEPS Let’s start with the surface mount components first, and do the big through hole parts last, except for J3, w