How can I generate a frequency of 5 GHZ with a crystal
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Through frequency multiplication, e.g. 50x100MHz, or 100x50MHz etc. This can be done either directly using frequency multipliers, or indirectly using phase locked loop, and locking 5 GHz oscillator to crystal reference oscillator. |
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Use one of these PLL chips with a suitable crystal oscillator for the reference signal and one of these VCOs. You will need a suitable MCU to configure the PLL chip. It's a standard microwave PLL synthesiser approach. |
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If you are using the 5 GHz for wireless application you will need to check to see if exactly 5 GHz is required, many times stuff is said to be a certain frequency, but it is actually a slightly different frequency needed. For example, here is a Voltage Control Oscillator (VCO) that can vary between 5.256 and 5.356GHz. These are very useful when trying to get locks on to communication systems. |
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