Model 345 HFF LVPECL VCXO Features Ceramic Surface Mount Package Ultra-Low Phase Jitter Performance High Frequency Fundamental Crystal Design Frequency Range 100 250MHz * Part Dimensions: 5.0 3.2 1.2mm 62.28mg +3.3V Operation Output Enable Standard Tape and Reel Packaging, EIA-418 Standard Frequencies - 100.00MHz - 160.00MHz Applications - 122.88MHz - 166.00MHz - 125.00MHz - 200.00MHz Small Cells Base Stations - 153.60MHz - 204.80MHz Wireless Communication Ethernet/GbE/SyncE - 155.52MHz - 240.00MHz Broadband Access Digital Video - 156.25MHz - 245.76MHz SONET/SDH/DWDM Test and Measurement * Check factory for availability of frequencies not listed. Description CTS Model 345 is a low cost, small size, high performance VCXO. Employing the latest IC technology, coupled with a high frequency fundamental crystal, M345 has excellent stability and low jitter/phase noise performance. Ordering Information Supply Absolute Frequency Temperature Frequency Code Packaging Model Voltage Pull Range Stability Range MHz B 3 I 345 L XXX or XXXX T Voltage Stability Frequency Code Code Code 1 L +3.3V 5% 5 25ppm 2 Product Frequency Code 30ppm 4 3 50ppm APR Temp. Range Packing Code Code Code 3 B C -20C to +70C T 1k pcs./reel 50ppm -40C to +85C I Notes: Check factory availability with temperature range. 1 2 Refer to document 016-1454-0, Frequency Code Tables. 3-digits for frequencies <100MHz, 4-digits for frequencies 100MHz or greater. 3 Frequencies 200MHz, APR is 30ppm. Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. This product is specified for use only in standard commercial applications. Supplier disclaims all express and implied warranties and liability in connection with any use of this product in any non-commercial applications or in any application that may expose the product to conditions that are outside of the tolerances provided in its specification. DOC 008-0553-0 Rev. D Page 1 of 7 2017 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 345 HFF LVPECL VCXO Electrical Specifications Operating Conditions PARAMETER SYMBO L CO NDITIO NS MIN TYP MAX UNIT Maximum Supply Voltage V - -0.3 - 5.0 V CC Maximum Control Voltage V - -0.5 - V V C CC Supply Voltage V 5% 3.14 3.3 3.47 V CC Supply Current I Typical LVPECL Load, T = +25C - 65 80 mA CC A Output Load R Terminated to V - 2.0V - 50 - Ohms L CC -20 +70 Operating Temperature T - +25 C A -40 +85 Storage Temperature T - -40 - +100 C STG Frequency Stability PARAMETER SYMBO L CO NDITIO NS MIN TYP MAX UNIT 100 - 250 Frequency Range f - MHz O Frequency Stability f/f 25ppm stability, -20C to +70C only 25, 30 or 50 ppm O Note 1 Absolute Pull Range APR Frequencies <200MHz 50 - - ppm Note 2 APR Frequencies 200MHz 30 - - ppm Aging f/f First Year +25C, nominal V and V -3 - 3 ppm 25 CC C 1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and 1st year aging. 2. Minimum guaranteed frequency shift from f over variations in temperature, aging, power supply and load. O Output Parameters PARAMETER SYMBO L CO NDITIO NS MIN TYP MAX UNIT LVPECL Output Type - - - V LVPECL Load, -40C to +85C V - 1.085 - V - 0.880 OH CC CC Output Voltage Levels V V LVPECL Load, -40C to +85C V - 1.810 - V - 1.620 OL CC CC Output Duty Cycle SYM V - 1.3V 45 - 55 % CC Rise and Fall Time T , T 20%/80% Levels - 0.3 1.0 ns R F Start Up Time T Application of V - 5 10 ms S CC Enable Function Enable Input Voltage V Pin 2 Logic 1 , Output Enabled 0.7V - - V IH CC Disable Input Voltage V Pin 2 Logic 0 , Output Disabled - - 0.3V V IL CC Standby Current I Pin 2 Logic 0 , Output Standby - - 10 A STB Enable Time T Pin 2 Logic 1 - - 20 s PLZ Phase Jitter, RMS tjrms Bandwidth 12kHz - 20MHz - 90 200 fs Phase Noise - See Typical Plots - - - - Enable Truth Table Pin 2 Pin 4 & 5 Logic 1 Output Open Output Logic 0 High Imp. DOC 008-0553-0 Rev. D Page 2 of 7 2017 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.