ECG1 • 1 ELECTROCARDIOGRAM HEART MONITOR KIT Ramsey Electronics Model No. ECG1 An educational kit to apply the principles of differential am
ECG1 • 10 ECG1 PARTS PLACEMENT DIAGRAM
ECG1 • 11 PARTS SUPPLIED WITH YOUR ECG1 KIT Capacitors 7 .1 µF disc capacitor (marked .1 or 104 or 100 nF) [C1,2,6,7,8,9,18] 1 470 pF dis
ECG1 • 12 RAMSEY "Learn-As-You-Build KIT ASSEMBLY There are numerous solder connections on the ECG1 printed circuit board. Therefore, PLEASE ta
ECG1 • 13 ECG1 ELECTROCARDIOGRAM KIT ASSEMBLY Although we know that you are anxious to complete the assembly of your electrocardiogram kit it is be
ECG1 • 14 2. Identify J3, the 3.5mm mono jack. Again, slide this through the circuit board and solder all three leads securely. This jack will ac
ECG1 • 15 8. Install R16, 2 ohms (red-black-gold). 9. Install C18, .1 µF disc capacitor (marked 104 or .1). Disc capacitors are not polariz
ECG1 • 16 18. Install C8, .1 µF disc capacitor (marked 104 or .1). 19. Install R9, 100k ohms (brown-black-yellow). 20. Install R12 and R10, bo
ECG1 • 17 operation. Mount it as close to the board as possible without forcing it. Carefully solder all three leads 34. Using a scrap component le
ECG1 • 18 couple of pointers. Remember to install the connector cover when requested; it can save time and the aggravation of unsoldering and resolde
ECG1 • 19 CONGRATULATIONS ! Your ECG monitor is now complete! Have a final look over your work, paying particular attention to the orientation of d
ECG1 • 2 RAMSEY TRANSMITTER KITS • FM100B Professional FM Stereo Transmitter • FM25B Synthesized Stereo FM Transmitter •
ECG1 • 20 USING YOUR ECG1 ELECTROCARDIOGRAM Now we’re ready for the moment of truth, the initial power up and running of your ECG1. Be ready to energ
ECG1 • 21 monitor. Feel free to experiment with other electrode positions. One of the favorites around the lab here is the “valley” method. The grou
ECG1 • 22 While we had hoped that it wouldn’t come to this, if you are still having trouble with your ECG, here are a few additional suggestions. U
ECG1 • 23 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting t
ECG1 • 24 Price: $5.00 Ramsey Publication No. MECG1 Assembly and Instruction manual for: RAMSEY MODEL NO. ECG1 RAMSEY ELECTRONICS, INC. 590 Fishers S
ECG1 • 3 ELECTOCARDIOGRAM HEART MONITOR KIT Ramsey Publication No. MECG1 Price $5.00 TABLE OF CONTENTS Introduction ...
ECG1 • 4 IMPORTANT NOTE: This Ramsey Electronics kit is NOT intended for any medical usage. It is simply for experimenters and hobbyists who wish to
ECG1 • 5 This filling and pushing action is accomplished using specialized one way valves. There are four of these valves, one for each chamber. Thes
ECG1 • 6 right ventricles. The impulse continues through the Purkinje fibers causing the ventricles to contract and squeezing the blood on its way th
ECG1 • 7 When we measure the impulses electrically, the pattern will appear similar to this: Hopefully now the ECG patterns seem a little less
ECG1 • 8 call the differential change a normal mode. A well designed differential amplifier has a large common mode rejection level (CMRR), or the r
ECG1 • 9 ECG1 SCHEMATIC DIAGRAM
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