HSP43216VC-52Z

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The HSP43216VC-52Z is an interface filter active, which is a highly integrated device primarily designed to reduce EMI (electromagnetic interference) emission in portable applications by addressing the multiple frequency noise generated by digital signal switches. It is typically used with transceivers and digital baseband transceivers for mobile phone and other wireless devices.

The HSP43216VC-52Z provides a low-cost, highly integrated EMI solution by integrating several passive components, such as band stop and low-pass filters, into a single CMOS package. The active part of the HSP43216VC-52Z contains a digital ripple counter and voltage-controlled amplifier with RC networks for frequency. The ripple counter is the logic element (OE below the current transistor) for providing the frequency division. The voltage-controlled amplifier is the amplifier at the right of the current transistor, which adjusts the gain in response to a voltage signal. The RC networks provide frequency division as well as a frequency attenuation.

The HSP43216VC-52Z operates in the band stop filter mode. This mode reduces the levels of unwanted frequency noise that may be generated from nearby transceivers and transmitters. The HSP43216VC-52Z can also act as a low-pass filter, in which it reduces the high frequency noise that may interfere with the power supply circuitry and other digital systems. This mode of operation minimizes the power supply noise and reduces the amount of interference emitted onto other system lines.

The HSP43216VC-52Z can be used in a variety of applications including Bluetooth and WiFi. In Bluetooth applications the HSP43216VC-52Z provides an effective EMI solution by rejecting noise generated by the narrowband transceivers. The HSP43216VC-52Z has proven successful in eliminating the noise present on receiver and transmitter lines. In WiFi applications, the HSP43216VC-52Z works in low-pass mode, reducing the levels of high-frequency noise that may interfere with the data links of 802.11b/g/n networks.

The HSP43216VC-52Z can also be used in other portable applications that require EMI reduction from digital switching signals. In automotive applications, for example, the HSP43216VC-52Z provides an effective solution for reducing EMI by rejecting off-frequency noise generated by digital power supplies. Automotive applications are particularly challenging due to the need to minimize EMI emission from transceiver signals in order to ensure compliance with regulatory standards.

The HSP43216VC-52Z is a cost-effective EMI solution for portable applications. It is small, but powerful, and offers a high level of integration that ensures effective noise cancellation. The HSP43216VC-52Z features a digital ripple counter, voltage-controlled amplifier and a variety of band-stop and low-pass filters, which can be used to reduce unwanted noise in both Bluetooth and WiFi applications.

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