Frequency Divider Evaluation Board RoHS Compliant ABLNO- EVAL Pb 60.4 x 42.7 x 13.0 mm OVERALL CAPABILITY ABLNO-EVAL Frequency Divider Evaluation Board shown in figure (1) is designed to facilitate engineering evalu- ation of Abracons Ultra Low Noise ABLNO series of fixed clock and voltage controlled crystal oscillators. Further, there is a provision through the RF IN SMA Connector to supply any other oscillator signal between 10MHz and 200MHz if ABLNO series is not being characterized. This Evaluation Board is ideal to conduct the following measurements: Phase Noise and rms jitter for 1, 2, 4 and 8 frequency outputs Frequency Pull Characteristics of the ABLNO by using the Vc port as the control voltage Frequency Stability over operating temperature (-40C to +85C) Figure (1) Designers who are interested in using the ABLNO as an Ultra Low Noise platform device to generate additional Low Noise frequencies will find this Evaluation Board to be of exceptional value. Abracon has implemented Ultra Low Noise 2, 4 and 8 circuitry on this board, that can also be incorportated in end-customer solutions please contact tech-spport abracon.com for additional details. Tpycial Phase Noise and jitter peformance in 1, 2, 4 and 8 modes is depicted in section 2.0. Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 ABRACON IS ABRACON IS ISO9001:2008 30332 Esperanza, Rancho Santa Margarita, California 92688 CECERRTIFIED TIFIED tel 949-546-8000 fax 949-546-8001 www.abracon.comFrequency Divider Evaluation Board RoHS Compliant ABLNO- EVAL Pb 60.4 x 42.7 x 13.0 mm COMPONENT DESCRIPTION Component Description Functionality RF IN External Oscillator Input a 10MHz to 200MHz oscillator signal into this SMA Input connector for evaluationsee Note 5 Vc Control Port When characterizing the ABLNO series of VCXOs, apply control voltage to this port to characterize frequency pull Supply Voltage This port simultaneously biases the ABLNO Oscillator VDD and the divider scheme (+3.3V 5%) ..see Note 4 RF Out Evaluation Board Either ABLNO or RF IN frequency is divided down by 1, Output 2, 4 or 8 and is present at this port S1 Switch 1 If the tab is moved to the up position (UP), RF IN signal is selected. If the tab is moved to the down position (DN), ABLNO signal is selected Switch 2 If the tab is moved to the up position (UP), RF IN S2 signal is divided down by 2 and is present at RF Out S3 Switch 3 If the tab is moved to the up position (UP), RF IN signal is divided down by 4 and is present at RF Out. S2 should also be in the up position (UP) please see truth table 1 Switch 4 If the tab is moved to the up position (UP), RF IN S4 signal is divided down by 8 and is present at RF Out. S2 & S3 should also be in the up position (UP) please see truth table 1 UP Position DN Position Figure (2) Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 ABRACON IS ABRACON IS ISO9001:2008 30332 Esperanza, Rancho Santa Margarita, California 92688 CECERRTIFIED TIFIED tel 949-546-8000 fax 949-546-8001 www.abracon.com