zxnb4202 zxnb4202 (confidential) document number: ds32071 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 zxnb4202 is a single chip power management and control solution for lnb's. the highly integrated solution provides all the required fet and mixer bias, control detection and decoding, loca l oscillator switching and a stable power supply for the if amplifier and additional support functions. packaged in a small 16 pin package the zxnb only requires 3 external components providing a very small compact solution. being at the hear t of the lnb monitoring the control, power management and environmental conditions, the zxnb4202 is able to provide reliabl e solution eliminating effects such as false switching and ove r loading. 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 ? 22khz tone detector with unwanted signal rejection for band 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 and single universal lnbs ? mono-block lnb's ? c-band lnb's single lnb system diagram top vie w bottom view d1 d2 g2 v out g1 gnd lb c sub zxnb4202 hb v in rim ca ria ca dm gm g3 d3 gnd lb osc. hb osc. v out v in / control gain stages gaas / hemt fet active mixer if gain stages vertical horizontal zxnb 4202 set-top box receiver
zxnb4202 zxnb4202 (confidential) document number: ds32071 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
zxnb4202 zxnb4202 (confidential) document number: ds32071 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 a nd 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 result 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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