CA3189E Band 1 Tuner Schematic - diyAudio
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Old 5th January 2013, 10:36 PM   #1
dannys is offline dannys  United Kingdom
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Default CA3189E Band 1 Tuner Schematic

Hi all i am after this Band 1 Link Transmitter Schematic. Itís a very old design years old, but in its time it worked very well. Here is a picture FM Transmitters and Receivers from Private Radio Stations - From The Radio Transmitter Workshop.
I know there are new receivers out there, but this is messy but healthy. Hope someone can help. Thanks in advance.
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Old 6th January 2013, 02:34 PM   #2
DF96 is offline DF96  England
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Sorry, I dont help pirates.
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Old 6th January 2013, 02:54 PM   #3
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Quote:
Hi all i am after this Band 1 Link Transmitter Schematic......I know there are new receivers out there, but this is messy but healthy. Hope someone can help.
Do you want to make the transmitter or the receiver?

Either way the components used in the stuff shown in the link haven't been made in a long time. A modern adaptation would require some ability to design and tweak RF circuitry.

New versions of a single chip FM receiver are still being made by NXP. The ones I use are SMD and I don't know if through hole parts exist. Look up the SA605 chip.
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Old 6th January 2013, 05:14 PM   #4
dannys is offline dannys  United Kingdom
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Just the the receiver bit as this circuit in its days was very good and stable without any pll
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