Diodes Incorporated Announces a Bias, Control and Power Management IC that Removes Cost and Complexity From LNB Design

DALLAS — (BUSINESS WIRE) — January 26, 2010 — Diodes Incorporated (Nasdaq: DIOD), a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete and analog semiconductor markets, today announced a highly integrated bias, control and power management IC for single band satellite low noise blocks (LNB). Helping to reduce discrete component count and PCB size while increasing performance and reliability, the ZXNB4204 handles FET and mixer biasing, channel detection and control, and offers a stable power supply for added LNB functionality.

Packaged in the 3mm x 3mm, 16-pin QFN package, the Diodes LNB controller requires the support of only three external components, or just two if using an active mixer.

The chip provides the biasing for up to four GaAs or HEMT FETs, enabling very stable control of three low noise amplifier stages and the active mixer. Enhancing LNB performance over all operating conditions and reducing production trimming requirements, the ZXNB4204 also protects the sensitive low noise amplifier stage against turn-on spikes and other fault conditions.

Using an accurate on-board voltage detector to detect and switch between horizontal and vertical linear or left and right circular polarization signals, the chip meets all global single band LNB specifications. By rejecting any unwanted signals caused by transients and other effects, the ZXNB4204 increases STB reliability by completely eliminating false switching.

A voltage regulator is also included in the ZXNB4204 both to power internal circuits and to supply additional LNB components such as the IF gain stages and local oscillator. The integration of such power management functionality enables the LNB controller to protect against overload, over temperature and installation errors. For more information, visit the Company’s website at http://www.diodes.com.

About Diodes Incorporated

Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s SmallCap 600 and Russell 3000 Index company, is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets. Diodes' products include diodes, rectifiers, transistors, MOSFETs, protection devices, functional specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, DC-DC switching regulators, linear voltage regulators and voltage references, along with special function devices including USB power switch, load switch, voltage supervisor and motor controllers. The Company’s corporate headquarters and logistics office are located in Dallas, Texas. A sales, marketing, and engineering office is located in Westlake Village, California. Design centers are located in Dallas; San Jose, California; Taipei, Taiwan; Manchester, England and Neuhaus, Germany. The Company’s wafer fabrication facilities are located in Kansas City, Missouri and Manchester; with two manufacturing facilities located in Shanghai, China, another in Neuhaus, and a joint venture facility located in Chengdu, China. Additional engineering, sales, warehouse and logistics offices are located in Taipei; Hong Kong; Manchester and Munich, Germany, with support offices located throughout the world. For further information, including SEC filings, visit the Company's website at http://www.diodes.com.


Company Contact:
Diodes Incorporated
Julie Holland
VP, Worldwide Analog Products
P: 972-385-2810
E: Email Contact
Investor Relations Contact:
Shelton Group
Leanne K. Sievers
EVP, Investor Relations
P: 949-224-3874
E: Email Contact

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