zxnb4204 zxnb4204 (confidential) document number: ds32072 rev. 2 - 5 1 of 3 www.diodes.com february 2010 ? diodes incorporated a product line o f diodes incorporated confidential single lnb - complete bias, cont rol and power management solution summary the zxnb4204 is a single chip power management and control solution for single band satellite low noise blocks (lnb?s). the highly integrated solution provides all the required fet and mixer bias, control detection and a integrated stable power supply for the if amplifiers and additional support functions within the lnb. packaged ina small 16 pin package the zxnb4204 only requires a minimum of 3 external components providing a very sm all compact solution. being at the heart of the lnb monitoring the control, power management and environment conditions, the zxnb4204 is able to provide reliable solution eliminating effects such as false switching and over loading. the functiona lity and the cost effectiveness of this solution makes zxnb4204 an ideal part for the domestic china market and the other single band applications. features ? single chip lnb bias, control and power management ? integrated regulated supply for lnb ? zero volt gate fet switching topology ? voltage detection for polarization switching ? no external control signal filtering required ? programmable mixer and fet bias ? temperature compensated protected fet bias ? full power management protection pin assignments application ? single lnb?s ? c-band lnb?s single lnb system diagram top view bottom view d1 d2 g2 v out g1 gnd nc c sub zxnb4204 nc v in rim ca ria ca dm gm g3 d3 gnd v out v in / control gain stages gaas / hemt fet active mixer if gain stages zxnb 4204 set-top box receiver
zxnb4204 zxnb4204 (confidential) document number: ds32072 rev. 2 - 5 2 of 3 www.diodes.com february 2010 ? diodes incorporated a product line o f diodes incorporated confidential to request this datasheet in its entirety please email dbs@diodes.com
zxnb4204 zxnb4204 (confidential) document number: ds32072 rev. 2 - 5 3 of 3 www.diodes.com february 2010 ? diodes incorporated a product line o f diodes incorporated confidential important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability arising out of the application or use of this document or an y product described herein; neither does di odes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifically not authorized for use as critical component s in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to re sult in significant injury to the user. b. a critical component is any component in a life support dev ice or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2010, diodes incorporated www.diodes.com
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