Ramsey Electronics FM100B Manuel d'instructions

LPA1 • 1 POWER BOOSTER AMPLIFIER Ramsey Electronics Model No. LPA1 Looking to boost the output of a small transmitter or signal generato

LPA1 • 10 Feedback Circuit: Your Ramsey LPA1 Power Booster Amplifier has been designed to give you great amplification over a wide range of frequenc

LPA1 • 11 Now we will begin building our kit. There are just a few more things to know before we put the first components in. For each part, our wo

LPA1 • 12 ❒ 4. Install J1, the power jack. This is a black plastic jack. Solder the connection on the back of the jack to the bottom side of the boa

LPA1 • 13 Now that we have completed the power circuits, we will move on to the biasing circuit. This circuit holds the transistor output voltages i

LPA1 • 14 ❒ 22. Install C9, .01uF capacitor [marked .01 or 103 or 10nF]. The insulation should be stripped from the legs and a topside connection m

LPA1 • 15 solder them directly onto the board. All four leads should now be connected. Again, make sure that the small “M” is closest to L1. This

LPA1 • 16 Setup and testing Now you are ready to set up and test your amplifier. Follow the steps below. If you have any problems, refer to our t

LPA1 • 17 PROBLEM: The amplified signal is distorted. SOLUTION: Make sure that all of the component leads are as short as possible. Leaving the l

LPA1 • 18 Conclusion We sincerely hope that you have enjoyed the construction of this Ramsey Kit. As always, we have tried to compose our manual in

LPA1 • 19 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting

LPA1 • 2 RAMSEY TRANSMITTER KITS • FM100B Professional FM Stereo Transmitter • FM25B Synthesized Stereo FM Transmitter •

LPA1 • 20 LPA1 POWER BOOSTER AMPLIFIER Quick Reference Page Guide Introduction to the LPA1 ... 4 How it works ...

LPA1 • 3 LPA1 POWER BOOSTER AMPLIFIER Ramsey Publication No. MLPA1 Price $5.00 TABLE OF CONTENTS Introduction to the LPA1 ... 4 How

LPA1 • 4 Welcome to the LPA Power Booster Amplifier Thank you for purchasing the LPA1 Power Booster Amplifier. The LPA -1 is a state of the art ampl

LPA1 • 5 There are three other parts of this circuit. One simply turns on and supplies power to the circuit. The second, supplies power to the MAV3

LPA1 • 6 Double sided component soldering instructions: You’ll notice that the circuit board contains plating on both sides of the board, with a la

LPA1 • 7 RAMSEY LPA1 Power Booster Amplifier Parts List SEMICONDUCTORS ❒ 1 MAR3 RF amplifier [Small, black, round on one side] (U1) ❒ 1

LPA1 • 8

LPA1 • 9 LPA1 PARTS LAYOUT DIAGRAM