The telescopic antenna usually just connects to the FM tuner of your radio. The AM tuner connects to a ferrite rod inside the radio. There have been a few AM and FM radios on the market with external AM and FM connectors, but for most radios, you need to open up the back and connect to where the variable capacitor (the tuner) connects to the ferrite rod. This will inject the boosted signal right into the radio.
Hello, thank you for making this video. The finished circuit boosts my old tube radio reception by a lot, however, I cannot get it to work on my 1 transistor regenerative crystal radio. Can you help? I can send the receiver schematic.
Hi - yes feel free an send an attachment to this reply and I will be happy to look at your schematic. Just google how to send a reply and I should see it . Thanks
The MPF 102 is a general purpose N channel JFET VHF amplifier FET. You should find the characteristics on-line and match to something sold in your area. Good Luck. I even see them sold on Amazon
where on the radio do you attatch the lead, couldnt see at all. not very clear. A complete diagram would have made everythig unambiguous to those not familliar with the inards of such things, and why there and whats actually happening e.t.c.
Hi John - thanks for your comment. On this particular radio, I attached the external wire from the booster to one of the two connectors coming off the tuning capacitor. You're right, I should have shown a diagram. Hopefully this winter I'll shoot this video again with better instructions.
Unfortunately, this video fails to show how to connect the amplifier to the "receiver antenna," which will be a ferrite rod having a coil of wire around it. You are unlikely to find anything on the circuit board which says "receiver antenna." The shown antenna is impossible, as an antenna will have two balanced connecting wires (not one) or else have a single vertical element and a ground plain -- again two wires: 1 for the vertical element and the other for the ground plain (two wires in the form of a coax cable -- vertical element to center wire & ground plain to the coax shield). The choke coil in the circuit also lacks definition.
I like this .was looking for an easy clip booster for man
Very cool!
Nice, simple circuit and it works great.
Nice and clear instructions. Thanks for sharing and Happy New Year!
Thanks for your comments - this was fun to do. Have a good New Year too!
Thanks a lot Sir
great project, i can attach output of this amplifer to telecopic antenna of my radio
great to hear - thanks for letting me know
i have just telescopic antenna on my radio (no external antenna jack or port), if i attach this booster to telescopic antenna it works or not ??
The telescopic antenna usually just connects to the FM tuner of your radio. The AM tuner connects to a ferrite rod inside the radio. There have been a few AM and FM radios on the market with external AM and FM connectors, but for most radios, you need to open up the back and connect to where the variable capacitor (the tuner) connects to the ferrite rod. This will inject the boosted signal right into the radio.
Do you have television equivalent version of this?
Hello, thank you for making this video. The finished circuit boosts my old tube radio reception by a lot, however, I cannot get it to work on my 1 transistor regenerative crystal radio. Can you help? I can send the receiver schematic.
Hi - yes feel free an send an attachment to this reply and I will be happy to look at your schematic. Just google how to send a reply and I should see it . Thanks
@@briancheshire1113Hello, my browser/mobile phone does not support in text document attachments. Could you provide an email address?
Brian.Cheshire@gmail.com
plz suggest alternative for MPF 102 as in INDIA is not available
The MPF 102 is a general purpose N channel JFET VHF amplifier FET. You should find the characteristics on-line and match to something sold in your area. Good Luck. I even see them sold on Amazon
2n4416 transistor.
the j310 transistor looks better in simulation
where on the radio do you attatch the lead, couldnt see at all. not very clear. A complete diagram would have made everythig unambiguous to those not familliar with the inards of such things, and why there and whats actually happening e.t.c.
Hi John - thanks for your comment. On this particular radio, I attached the external wire from the booster to one of the two connectors coming off the tuning capacitor. You're right, I should have shown a diagram. Hopefully this winter I'll shoot this video again with better instructions.
You mean in between AM antenna and AM oscillator
Unfortunately, this video fails to show how to connect the amplifier to the "receiver antenna," which will be a ferrite rod having a coil of wire around it. You are unlikely to find anything on the circuit board which says "receiver antenna." The shown antenna is impossible, as an antenna will have two balanced connecting wires (not one) or else have a single vertical element and a ground plain -- again two wires: 1 for the vertical element and the other for the ground plain (two wires in the form of a coax cable -- vertical element to center wire & ground plain to the coax shield). The choke coil in the circuit also lacks definition.
www.tonyvanroon.com/oldwebsite/circ/activant.html
66 do you smok
i don't think it can run.