HMC698LP5E

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HMC698LP5E is a common clock generator, frequency synthesizer and PLL, mainly used for RF and microwave applications. It offers frequency support from 10 MHz to 8GHz, with VCO output power from -9 to +17 dBm. The device integrates on-chip fractional-N frequency synthesizer, VCO and VCO driver, and loop filter.

The main principle of the HMC698LP5E is to modulate the oscillating frequency of the VCO so that it can lock onto the desired frequency. This can be done by apply a different frequency called the “control frequency” to the device, which is then used to generate the desired oscillating frequency. This is done by modulating the phase or the frequency of the oscillators to track the control frequency. In this way, the device is able to generate the desired oscillating frequency with very little phase or frequency jitter.

The device uses a low power consumption, providing operation from 10 MHz to 8GHz with power consumption as low as 8mA. It also offers high stability, boasting a phase noise of -90dBc/Hz at 1Ghz offset, along with a low operating noise floor of -144 dBm/Hz. It also achieves fast settling time for better system performance, typically 5 μsec for settling times to 250mVpp output.

The general idea behind the HMC698LP5E is then to output a desired frequency by using an input control frequency and modulating the phase or frequency of an oscillator. Such flexible control of frequency allows the device to be used in a variety of systems and applications. It can be used in wireless communications systems, such as Wi-Fi, GSM, and TETRA, where it can be used in the receiver and transmitter parts of the system. It can also be used as an intermediate frequency local oscillator, or as an oscillator in tests sets or transmitters. It can also be used in frequency synthesizers, where it can be used to generate an arbitrary frequency with very low jitter.

In summary, the HMC698LP5E is a clock generator, frequency synthesizer and PLL, mainly used for RF and microwave applications. It offers frequency support from 10 MHz to 8GHz, with VCO output power from -9 to +17 dBm, low power consumption, with power consumption as low as 8mA, and high stability, boasting a phase noise of -90dBc/Hz at 1Ghz offset, along with a low operating noise floor of -144 dBm/Hz. It has a variety of applications, including wireless communications systems, frequency synthesizers, and oscillators in tests sets and transmitters.

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