Scott Lowes Hard To Find Electronic Parts

Site Updated 5/10/14

scotts electronics crystal radio blog

RF Antenna Booster Preamplifier

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Assembled units sold out, I will start selling in kit form. I am getting to the point where my hands shake to much and my eye sight is not good to keep making them.

 I will start selling the parts in kit form that will include the components except for the circuit board, case, knob, and Fahnestock Clips. Only the parts listed in the PDF file.

RF-Pre-Amplifier-Circuit.pdf

Here are the connection directions.

Connecting-Your-RF-Amplifier.doc

The optional connection method was 7 turns of 22 AWG wire wound around the center of one of ferrite rods.

Here are the directions for it.

Using-Optional-Ferrite-RF-Output-Rod.doc

It will be shortly after the first of year before I get PayPal setup to sell the parts.

I ship to USA addresses only, I do not ship Internationally.

Go to My Home Page for shipping charges.

PayPal will let you make a credit card payment without having to become a member.
I now accept all Major Credit Cards.
I use PayPal to process the payment.

Hr-Line

 Click on the View Cart Button To Checkout or Update the Shopping Cart.

 

Hr-Line

Many owners of Crystal Radio Sets do not have space for a 100ft or longer antenna. If you are one of these then this amplifier will allow you to use a 15ft or so antenna.

Voltage gain is up to 30 times for AM radio band with direct a connection. The output is connected inductively wrapping about 3-4 turns around your built in ferrite AM antenna tuning coil.

Frequency response 100KHz to 30Mhz.

You need a 9 volt battery and wire for the antenna and ground.

 

RF - Broadband Pre Amplifier Parts

The Parts Kit does not contain a circuit board or knob for the variable resistor.
Not recomended for beginers you must be able to read a schematic and build from it and not step by step instructions.

Hr-Line

RF - Broadband Pre Amplifier Parts

 Part # - RF-Preamp --- Parts for the RF Preamp Price $7.97

Parts in the kit are:

Please note the on-off switch in built into the 1K variable resistor and is not a separate item as listed in the data sheet for the circuit.

1 - 1K variable resistor, with on-off switch built into it.
1 - 2K ohm resistor
1 - 10K ohm resistor
1 - 220 ohm resistor
2 - 2.4 Meg ohm resistors
2 - BAV19 diodes
2 - 100pf capacitors
1 - .001uf capacitor
1 - .1uf capacitor
1 - 100uf capacitor
2 - PN100A transistors
1 - 9 volt battery clip

 

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Contact Me At Email Address

 

 

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