AM 525~1605kHz Medium Wave Type 636 Si Dual Mode Single Tube Radio Assembly Kit
Description
  • no battery

    [Commodity name] 636 Si type dual mode single tube radio assembly kit v1.0
    【Main Features of Finished Machine】
    1. Receiving frequency band: 525~1605kHz (medium wave)
    2. Demodulation Mode: Amplitude Modulation (AM)
    3. Power supply: 2 AA alkaline batteries, voltage 1.5V×2=3V
    4. Dimensions: 90mmx70mm×28mm
    【Features】
    1. Adopt voltage doubler detection circuit, high efficiency and large volume;
    2. Use the common 9014 type high magnification triode as the high discharge tube;
    3. It has a light-emitting diode voltage regulator circuit, which can stabilize the working point of the high-discharge tube and improve the ability of the circuit to adapt to voltage changes;
    4. Using two miniature potentiometers to control the operating points of the triode and the diode can significantly improve the performance of the whole machine;
    5. "radio/radio head" dual-mode design, when switching to the radio head mode, the audio signal can be output from the headphone socket to drive the audio power amplifier, and the speaker (speaker) can be used to play sound;
    6. No power switch design, automatically power off when the headphone plug is unplugged.
    【Kit composition】
     

     
    package ：
    1pcx

    AM 525~1605kHz Medium Wave Type 636 Si Dual Mode Single Tube Radio Assembly Kit

    If you have any questions, please contact us in time, we will help you deal with the problem for the first time.  
Shipping
  • Item will be shipped within 24 -48 hours after full payment is received.
  • Normally the shippment to worldwide is used to take 15 to 30 business days, exclude Sat & Sun.
Payment
  • Payment must be received in 7 business days of auction closing.
  • Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order.
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  • We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact.
 
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