To learn more about onsemi™, please visit our website at
www.onsemi.com
ON Semiconductor
Is Now
onsemi and       and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliates and/or
subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi
product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without
notice. The information herein is provided “as-isand onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality,
or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all
liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws,
regulations and safety requirements or standards, regardless of any support or applications information provided by ons emi. “Typical” parameters which may be provided in onsemi data sheets and/
or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application
by customer’s technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized
for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for
implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees,
subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative
Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others.
FM Radio Tuner with VCO
Using the 55GN01CA
Application Note
Overview
This application note explains about ON Semiconductor’s
55GN01CA which is used as a Voltage Controlled Oscillator
(VCO) for FM Radio Tuner.
The 55GN01CA is used as a local oscillator in a tuning
circuit of Radio and the oscillation frequency can be changed
by voltage control of a Varactor diode.
The evaluation board is adjusted to Intermediate Frequency
of 10.7MHz.
A standard material FR4 is used for the printed circuit board
(PCB).
www.onsemi.com
© Semiconductor Components Industries, LLC, 2015 1 Publication Order Number:
March 2015- Rev. 0 AND55GN01CA_1/D