Kitronik 2143-JK Manual Download Page 21 | Manualshive

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High Power Amp Teaching Resources

www.kitronik.co.uk/2143

Packaging Design

If your product was to be sold in a high street electrical retailer, what requirements would the packaging have? List
these giving the reason for the requirement.

Requirement

Reason

Develop a packaging design for your product that meets these requirements. Use additional pages if required.

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Summary of Contents for 2143-JK

Page 1: ...HIGH POWER AMPLIFIER KIT PLAY IT LOUD AND PLAY IT PROUD WITH THIS TEACHING RESOURCES SCHEMES OF WORK DEVELOPING A SPECIFICATION COMPONENT FACTSHEETS HOW TO SOLDER GUIDE Version 2 0...

Page 2: ...a Specification Design Design Review group task Soldering in Ten Steps Resistor Values LEDs Current Limit Resistors LEDs Continued Capacitor Basics Ceramic Disc Capacitors Instruction Manual Evaluatio...

Page 3: ...al to aid the teacher in either case Using the booklet The first few pages of this booklet contains information to aid the teacher in planning their lessons and also covers worksheet answers The rest...

Page 4: ...ture should be considered on any design project Hour 3 Read Designing the Enclosure sheet Develop a product design using the Design sheet Homework Complete design Hour 4 Using cardboard get the studen...

Page 5: ...PCB and fault finding flow chart Answers Resistor questions 1st Band 2nd Band Multiplier x Value Brown Black Yellow 100 000 Green Blue Brown 560 Brown Grey Yellow 180 000 Orange White Black 39 Value 1...

Page 6: ...allow you to focus on specifics at the design stage and to evaluate your design Missing a key point from a specification can result in a product that does not fulfil its required task Design Develop...

Page 7: ...Although they are used to the design of High Power Stereo Amplifiers they have not designed an amplifier case before The manufacturer would like ideas for an enclosure for the PCB and speakers to be m...

Page 8: ...eaching Resources www kitronik co uk 2143 Investigation Research Using a number of different search methods find examples of similar products that are already on the market Use additional pages if req...

Page 9: ...ecification Using your research into the target market for the product identify the key requirements for the product and explain why each of these is important Name Class Requirement Reason Example Th...

Page 10: ...High Power Amp Teaching Resources www kitronik co uk 2143 Design Develop your ideas to produce a design that meets the requirements listed in the specification Name Class...

Page 11: ...e if you can spot any additional aspects of each design that may cause problems with the final product This will allow you to ensure that you have a good design and catch any faults early in the desig...

Page 12: ...g iron has warmed up and if necessary use the damp sponge to clean the tip 5 Place the soldering iron on the pad 6 Using your free hand feed the end of the solder onto the pad top picture 7 Remove the...

Page 13: ...0 1 Brown 1 1 10 1 Red 2 2 100 2 Orange 3 3 1000 Yellow 4 4 10 000 Green 5 5 100 000 Blue 6 6 1 000 000 Violet 7 7 Grey 8 8 White 9 9 Example Band 1 Red Band 2 Violet Band 3 Orange Band 4 Gold The val...

Page 14: ...ed will be within 5 of its stated value Tolerances are important if the accuracy of a resistors value is critical to a design s performance Preferred values There are a number of different ranges of v...

Page 15: ...be very bright for a short amount of time before being permanently destroyed To work out the best resistor value we need to use Ohms Law This connects the voltage across a device and the current flow...

Page 16: ...iency of LEDs they can run much cooler than a bulb Hard to break LEDs are much more resistant to mechanical shock making them more difficult to break than a bulb Small LEDs can be made very small This...

Page 17: ...any given capacitor will fill depends on the resistance R through which the charge will have to flow to get to the capacitor You can imagine this resistance as the size of the pipe through which the c...

Page 18: ...d showing the negative lead of the capacitor Other capacitors such as the ceramic disc capacitor shown on the right use a code They are often smaller and may not have enough space to print the value i...

Page 19: ...struction Manual Your amplifier is going to be supplied with some instructions Identify four points that must be included in the instructions and give a reason why Point to include Reason Point to inc...

Page 20: ...fication Show your product to another person in real life this person should be the kind of person at which the product is aimed Get them to identify aspects of the design which parts they like and as...

Page 21: ...ur product was to be sold in a high street electrical retailer what requirements would the packaging have List these giving the reason for the requirement Requirement Reason Develop a packaging design...

Page 22: ...HIGH POWER AMPLIFIER KIT PLAY IT LOUD AND PLAY IT PROUD WITH THIS ESSENTIAL INFORMATION BUILD INSTRUCTIONS CHECKING YOUR PCB FAULT FINDING MECHANICAL DETAILS HOW THE KIT WORKS Version 2 0...

Page 23: ...n the diode must match up with the band on the PCB The diode is marked D1 Solder the PCB Mount Right Angled On Off Switch into SW1 on the PCB The row of three pins that exit the back of the switch mus...

Page 24: ...towards the edge of the PCB Solder the dual potentiometer into the PCB where it is labelled R4 Make sure that the volume knob is facing away from the PCB The next step is to add the heat sink and amp...

Page 25: ...ker this time connecting to the terminal block labelled OUT2 The kit is supplied with a power connector that can be mounted into the side of a case designed to hold your ampli er To connect this to th...

Page 26: ...eads are soldered Pins next to each other are not soldered together Check the top of the board to ensure that The speakers power lead and audio connections are connected to the right place The on the...

Page 27: ...is the right way around Check R4 for dry joints Stop Is any music heard Yes No Is audio coming out of both channels Yes Which output doesn t work Check R4 for dry joints C3 for dry joints IC1 pins 1 2...

Page 28: ...er if so should the player go in the box These technical drawings of the amplifier PCB and speaker should help you to plan this All dimensions in mm Mounting the PCB to the enclosure The drawing below...

Page 29: ...er IC is stable The diode D1 is included so that if the power is connected to the board the wrong way around it shorts the power supply The power supply supplied with the kit instantly cuts the power...

Page 30: ...educational schemes of work and so on and also includes the essentials Download from www kitronik co uk 2143 Every effort has been made to ensure that these notes are correct however Kitronik accept...

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