HMC5128LP5E

Series:	HMC512
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Frequency Range:	2.4 ~ 2.7GHz, 4.8 ~ 5.4GHz, 9.6 ~ 10.8GHz
Frequency - Center:	2.55GHz, 5.1GHz, 10.2GHz
Voltage - Supply:	5V
Tuning Voltage (VDC):	2V ~ 13V
2nd Harmonic, Typ (dBc):	25
Icc Max:	370mA
Pushing (MHz/V):	30 (Typ)
Power (dBm):	-5.5 ±2.5, 10 ±4, 9 ±6
Phase Noise Typ (dBc/Hz):	-110
Operating Temperature:	-40°C ~ 85°C
Package / Case:	32-VFQFN Exposed Pad, CSP
Size / Dimension:	0.197" L x 0.197" W (5.00mm x 5.00mm)
Height:	0.039" (1.00mm)
Base Part Number:	HMC512

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HMC5128LP5E is a voltage-controlled oscillator (VCO) in the HMC series from Hittite Microwave Corporation. It is designed to operate from 8.2 to 10.8 GHz, with a tuning range of 30.1 MHz/V. The direct output power of the device is saturated at +13.4 dBm. The tuning voltage for the oscillation frequency is 0 to 5V. The phase noise is -101 dBc/Hz @ 1kHz offset and -115 dBc/Hz @ 10kHz offset.HMC5128LP5E is a highly integrated VCO solution, which includes an on-chip regulator, reference generator and loop filter components. It can be used in a wide range of applications, including but not limited to radar and communication systems, instrumentation and test equipment, and military/aerospace applications.The working principle of the HMC5128LP5E is simple. An input voltage is applied to the control port, allowing the oscillator to be dynamically tuned over a range of frequencies. The oscillator is then calibrated by adjusting the voltage at the oscillator’s tuning port. This allows the oscillator to be precisely tuned to a specific frequency.The oscillator utilizes a low-noise varactor for frequency control. The varactor changes the capacitance based on the voltage applied, which in turn affects the frequency of the oscillator. The oscillator also operates with a negative resistance, and a positive resistance to ensure a stable output frequency. A bias resistor is also used to increase or decrease the frequency of operation, depending on the desired application.The HMC5128LP5E is highly suitable for applications requiring low noise, low phase noise and low power consumption due to its high level of integration. It also incorporates a number of features, including an on-chip regulator and reference generator. This results in high efficiency and consistent performance over a wide operating range. The oscillator can also be programmed via SPI (serial peripheral interface) and allows for integrated monitoring, distributed frequency locking and remote tuning.In short, the HMC5128LP5E is a highly integrated VCO solution that is suitable for a wide range of applications. It is designed to produce low noise and low phase noise output, while consuming minimal power. It includes an on-chip regulator and reference generator, and can be programmed via SPI, allowing for integrated monitoring, distributed frequency locking and remote tuning. This makes it an attractive choice for applications requiring accuracy and stability.

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