High-frequency intelligent label chip with built-in antenna

A technology with built-in antenna and smart label, which is applied to record carriers, instruments, computer parts, etc. used in machines, can solve the problems of lower product cost performance, lower product quality, and affect production process, so as to save production materials and reduce production costs. , to avoid the effect of quality degradation
CN102651084AInactive Publication Date: 2012-08-29上海祯显电子科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
上海祯显电子科技有限公司
Publication Date
2012-08-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a high-frequency intelligent label chip with a built-in antenna, which comprises the high-frequency antenna, an input capacitor, a rectification circuit and a signal processing circuit. The high-frequency antenna is a multi-turn square hollow conductive induction coil which is arranged on a semiconductor substrate by the photoetching process, and the coil is arranged along the edge of the chip and around the center; the input capacitor is an equivalent capacitor which is arranged on the semiconductor substrate and connected in parallel with the high-frequency antenna; the rectification circuit is a four-port input / output circuit, the two input ports are connected with the ports of the high-frequency antenna, and the two output ports are chip interior power supply ports, one of which is VDD and the other of which is GND; and the signal processing circuit comprises a central control circuit, a data memory circuit, a clock circuit, a modulation / demodulation circuit, a frequency-dividing circuit, a power management circuit and a resetting circuit. Consequently, the intelligent label chip has an independent high-frequency radio frequency communication function.
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Description

technical field

[0001] The invention relates to the field of high-frequency radio frequency communication and the field of high-frequency smart label chips, in particular to a high-frequency smart label chip with a built-in antenna. Background technique

[0002] In recent years, due to the continuous development of radio frequency electronic technology, especially the wide application of radio frequency smart labels, people's way of life is gradually changing. Common radio frequency electronic tags are divided into two categories: active and passive in terms of power supply; in terms of carrier frequency, there are 125KHz (130KHz) low-frequency bands, 13.56MHz high-frequency bands, 433MHz, 915MHz ultra-high frequency bands , 2.4GHz, 5.8GHz microwave frequency band; the application of electronic tags is ubiquitous, so there are various shapes and products suitable for different application requirements, making people's life more convenient and efficient.

[0003] The convent...

Claims

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