Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 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 evaluation of Abracon’s 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 (-40ºC to +85ºC) 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 [email protected] for additional details. Tpycial Phase Noise and jitter peformance in ÷1, ÷2, ÷4 and ÷8 modes is depicted in section 2.0. ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 60.4 x 42.7 x 13.0 mm | | | | | | | | | | | | | | | COMPONENT DESCRIPTION Component RF_IN Vc Description External Oscillator Input Control Port VDD Supply Voltage RF_Out S1 Evaluation Board Output Switch # 1 S2 Switch # 2 S3 Switch # 3 S4 Switch # 4 Functionality Input a 10MHz to 200MHz oscillator signal into this SMA connector for evaluation…see Note #5 When characterizing the ABLNO series of VCXO’s, apply control voltage to this port to characterize frequency pull This port simultaneously biases the ABLNO Oscillator and the divider scheme (+3.3V ±5%) …..see Note #4 Either ABLNO or RF_IN frequency is divided down by 1, 2, 4 or 8 and is present at this port 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 If the tab is moved to the “up position (UP)”, RF_IN signal is divided down by 2 and is present at RF_Out 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 If the tab is moved to the “up position (UP)”, RF_IN 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) ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 60.4 x 42.7 x 13.0 mm | | | | | | | | | | | | | | | TRUTH TABLE S COMPONENT DESCRIPTION S1 S2 S3 DN DN DN DN UP DN DN UP UP DN UP UP S1 UP UP UP UP S2 DN UP UP UP S3 DN DN UP UP S4 DN DN DN UP S4 DN DN DN UP Table # 1 Description ABLNO’s RF Output = ÷1 ABLNO’s RF Output = ÷2 ABLNO’s RF Output = ÷4 ABLNO’s RF Output = ÷8 Table # 2 Description RF_IN Port’s RF Output = ÷1 RF_IN Port’s RF Output = ÷2 RF_IN Port’s RF Output = ÷4 RF_IN Port’s RF Output = ÷8 Note # 1: DN = Down Position; UP = Up Position Note # 2: All four switches are shipped with yellow protective tape on top, please remove before use Note # 3: To evaluate Abracon’s ABLNO Crystal Oscillator, please solder it down in the section outlined with a rectangle and labeled ABLNO. Please follow the orientation shown in figure (3) below. Figure (3) Note # 4: VDD Port biases both the ABLNO device, as well as the divider circuitry. Since ABLNO’s VDD range is +3.3V ±5%, the recommended VDD range while evaluating ABLNO oscillators is +3.135V to +3.465V. However, since the divider circuitry can be biased between +1.8V & +5.5V, while evaluating RF_IN external signal; lower or higher biasing voltage can be used, as long as the peak-to-peak signal from the RF_IN port does not exceed the bias voltage (VDD). Note # 5: RF_IN port expects a LVCMOS signal. If a clipped Sinewave or Sinewave signal with lower amplitude is used; it might be necessary to square-that-up. There is a provision above (S1) to add a buffer to achieve this. Please contact [email protected] . ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 60.4 x 42.7 x 13.0 mm | | | | | | | | | | | | | | | 100MHz ABLNO was used to conduct ÷1, ÷2, ÷4 and ÷8 measurements S Typical Phase Noise Performance @ 100.00 MHz Carrier (÷1 Mode) @ Vdd = +3.3V (25ºC±3ºC) S1 DN S2 DN S3 DN S4 DN Description ABLNO’s RF Output = ÷1 Typical Phase Noise Performance @ 50.00 MHz Carrier (÷2 Mode) @ Vdd = +3.3V (25ºC±3ºC) S1 DN ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED S2 UP S3 DN S4 DN Description ABLNO’s RF Output = ÷2 Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 60.4 x 42.7 x 13.0 mm | | | | | | | | | | | | | | | Typical Phase Noise Performance @ 25.00 MHz Carrier (÷4 Mode) @ Vdd = +3.3V (25ºC±3ºC) S1 DN S2 UP S3 UP S4 DN Description ABLNO’s RF Output = ÷4 Typical Phase Noise Performance @ 12.50 MHz Carrier (÷8 Mode) @ Vdd = +3.3V (25ºC±3ºC) S1 DN ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED S2 UP S3 UP S4 UP Description ABLNO’s RF Output = ÷8 Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 60.4 x 42.7 x 13.0 mm | | | | | | | | | | | | | | | PHASE NOISE & RMS JITTER PERFORMANCE SUMMARY Offset From the Carrier 10Hz 100Hz 1,000Hz 10,000Hz 100,000Hz 1,000,000Hz 5,000,000Hz Measured Phase Noise (dBc/Hz) 100MHz 50MHz 25MHz 12.5MHz -88.32 -95.38 -100.24 -105.61 -119.16 -124.38 -130.33 -136.13 -143.44 -145.07 -143.74 -146.90 -156.60 -156.02 -154.70 -157.75 -160.44 -163.50 -162.75 -164.90 -164.00 -165.54 -166.01 -166.90 -165.11 -167.31 -167.21 -168.04 Carrier Measured Jitter (12kHz to 20MHz) in femto seconds Additive rms Jitter (12kHz to 20MHz) in femto seconds ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED 100MHz 30.22 50MHz 47.86 17.64 25MHz 95.01 64.80 12.5MHz 168.15 137.93 Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com Frequency Divider Evaluation Board ABLNO- EVAL Pb RoHS Compliant 60.4 x 42.7 x 13.0 mm | | | | | | | | | | | | | | | OUTLINE DIMENSION: 42.7 mm Typical 60.4 mm Typical 13.0 mm Typical Packaging: Units are packaged in ESD bags, single unit per bag. ATTENTION: Abracon Corporation’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications. Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from Abracon Corporation is required. Please contact Abracon Corporation for more information. ABRACON IS ISO9001:2008 CE CERTIFIED RTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 06.06.13 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com