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Help me build FM-PLL transmitter with LMX2315

时间:04-10 整理:3721RD 点击:
I want to build fm-pll transmitter with lmx2315.But I can't schema.help me please.

Thanks
fuat

You can connect a varactor diode at the crystal. You can apply your modulation to the varactor diode and it will move the crystal frequency(FM). You must set the loop bandwidth of the PLL to be lower than the lowest modulation frequency you wish to pass. That is the simplest way to make fm with a PLL.

thank you toonafishy

can I to control lmx2315 to use a PIC ?

I'm not a software person but it looks simple enough, clock, data and latch.

WHat exactly do you need?

I'want to build a one frequency transmitter with lmx2315.

only lmx2315 to use(or lmx2315 and PIC).

is this possible?

I wonder?

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