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OTL Power Amplifier Circuit DIY Kit Module Electronic Practice Kit Learning Suite

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This kit can be used in the teaching and training of electronic technology and skills, electronic skills teaching, electronic technology teaching,
digital circuit teaching, electronic enthusiasts and beginners training.

1>. Operating voltage: DC 5V;
2>. PCB Size:41*51mm;
3>. PCB Material:1.6mm RF-4

Warm tips:
This is the delivery suite of parts, you need welding installation. MCU has written procedures, successfully tested.

Schematic Diagram:

PCB Design Diagram:

Component List:

NO. Component Name PCB Marker Parameter QTY
1 Metal Film Resistor R1 2.2K 1
2 Metal Film Resistor R2 5.1K 1
3 Metal Film Resistor R3 200ohm 1
4 Metal Film Resistor R4 680ohm 1
5 Metal Film Resistor R5,RL 100ohm 2
6 Potentiometer RP1 50K 1
7 3262 Potentiometer RP2 500ohm 1
8 S9011 Q1 TO-92 1
9 S8050 Q2 TO-92 1
10 S8550 Q3 TO-92 1
11 IN4007 D1   1
12 Electrolytic Capacitor C1 47uf 1
13 Electrolytic Capacitor C2,C3 100uf 1
14 Electrolytic Capacitor C4 470uf 1
15 Male Pin J1-J6,S1-3 1P 7
16 Short Cap S1-3   1
17 PCB   41*51mm 1

1>. Teaching practice
2>. Electronic skills teaching
3>. Electronic Technology Teaching
4>. Digital circuit teaching
5>. Electronic lovers
6>. Beginners practice


Finished Product Picture:


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3) Bank Transfer / Wire Transfer / T/T

Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways. 

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1. Hongkong / Sinapore Airmail

(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $3 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. EMS/DHL/UPS Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact orders@ICStation.com

(2) Shipping Time
Shipping time is 3-5 working day (about 1 week) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver in 2-3 day (DHL) or 1 week (EMS,) or 2 weeks (Registered Email), please pay attention to the arriving time of the package. 


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Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
2) Contact Phone Number
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3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from icstation.com
4) Track the order which with tracking number via below links:

Registered Airmail: www.17track.net/en

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