Clock & Timer Development Tools Network clock generator/synchronizer

CLOCK GENERATORS & BUFFERS ROHS COMPLIANT: YES

Clock Buffer 1:2 Fanout w/+3.3V IP Pin Out

Clock & Timer Development Tools LTC6908-1 Silicon Oscillator Demo Board

Broadband Analog Time Delay SMT, DC - 24 GHz Features: Very Wide Bandwidth: DC - 24 GHz Continuous Adjustable Delay Range: 70 ps Single-Ended or Differential Operation Adjustable Differential Output Voltage Swing: 170 - 760 mVp-p @ 24 GHz Delay Control Modulation Bandwidth: 10 MHz Single Supply: +3.3V  24 Lead 4x4mm SMT Package: 16mm²

Ultralow Jitter, 4.5GHz PLL with 11 Outputs and JESD204B / JESD204C Support Features: JESD204B/C, Subclass 1 SYSREF Signal Generation Low Noise Integer-N PLL Additive Output Jitter < 6fsRMS (Integration BW = 12kHz to 20MHz, f = 4.5GHz) Additive Output Jitter 65fsRMS (ADC SNR Method) EZSync™, ParallelSync™ Multichip Synchronization –229dBc/Hz Normalized In-Band Phase Noise Floor –281dBc/Hz Normalized In-Band 1/f Noise Eleven Independent, Low Noise Outputs with Programmable Coarse Digital and Fine Analog Delays Flexible Outputs Can Serve as Either a Device Clock or SYSREF Signal Reference Input Frequency up to 500MHz LTC6952Wizard™ Software Design Tool Support –40ºC to 125°C Operating Junction Temperature Range

Dual DPLL, Quad Input, 10 Output, Multiservice Line Card Clock Translator and Jitter Cleaner Features:Dual DPLL synchronizes 2 kHz to 750 MHz physical layer clocks providing frequency translation with jitter cleaning of noisy referencesComplies with ITU-T G.8262 and Telcordia GR-253Supports Telcordia GR-1244, ITU-T G.812, G.813, G.823, G.824, and G.825Continuous frequency monitoring and reference validation for frequency deviation as low as 50 ppbBoth DPLLs feature a 24-bit fractional divider with 24-bit programmable modulusProgrammable digital loop filter bandwidth: 104 Hz to 1850 HzAutomatic and manual holdover and reference switchover, providing zero delay, hitless, or phase buildout operationProgrammable priority-based reference switching with manual, automatic revertive, and automatic nonrevertive modes supported5 pairs of clock output pins with each pair useable as differential LVDS/HCSL/CML or as 2 single-ended outputs (1 Hz to 500 MHz)2 differential or 4 single-ended input referencesCrosspoint mux interconnects reference inputs to PLLsSupports embedded (modulated) input/output clock signalsFast DPLL locking modesProvides internal capability to combine the low phase noise of a crystal resonator or crystal oscillator with the frequency stability and accuracy of a TCXO or OCXOExternal EEPROM support for autonomous initializationSingle 1.8 V power supply operation with internal regulationBuilt in temperature monitor/alarm and temperature compensation for enhanced zero delay performance

Microwave Wideband Synthesizer with Integrated VCO Features: RF output frequency range: 62.5 MHz to 32,000 MHz Fractional-N synthesizer and Integer N synthesizer High resolution 39-bit fractional modulus Typical spurious PFD: −90 dBc Integrated rms jitter: 38 fs (1 kHz to 100 MHz) Normalized phase noise floor: −234 dBc/Hz PFD operation to 250 MHz Reference frequency operation to 600 MHz Programmable divide by 1, 2, 4, 8, 16, 32, or 64 output 62.5 MHz to 8,000 MHz output at RF8x and RFAUX8x 8,000 MHz to 16,000 MHz output at RF16x 16,000 MHz to 32,000 MHz output at RF32x Lock time approximately 3 ms with automatic calibration Lock time <30 μs with autocalibration bypassed Analog and digital power supplies: 3.3 V VCO power supply: 3.3 V and 5 V RF output mute function 7mm × 7mm, 48-terminal LGA package

TimerBlox: Voltage Controlled Silicon Oscillator Features: Fixed-Frequency or Voltage-Controlled Operation Fixed: Single Resistor Programs Frequency with <1.5% Max Error VCO: Two Resistors Set VCO Center Frequency and Tuning Range Frequency Range: 488Hz to 2MHz 2.25V to 5.5V Single Supply Operation 72µA Supply Current at 100kHz 500µs Start-Up Time VCO Bandwidth >300kHz at 1MHz CMOS Logic Output Sources/Sinks 20mA 50% Duty Cycle Square Wave Output Output Enable (Selectable Low or Hi-Z When Disabled) 55°C to 125°C Operating Temperature Range Available in Low Profile (1mm) SOT-23 (ThinSOT™) and 2mm × 3mm DFN Package AEC-Q100 Qualified for Automotive Applications

Ultralow Noise 0.35GHz to 6GHz Fractional-N Synthesizer Features:Low Noise Fractional-N PLLNo ΔΣ Modulator Spurs18-Bit Fractional Denominator350MHz to 6GHz VCO Input Range–226dBc/Hz Normalized In-Band Phase Noise Floor–274dBc/Hz Normalized In-Band 1/f Noise–157dBc/Hz Wideband Output Phase Noise FloorExcellent Integer Boundary Spurious PerformanceOutput Divider (1 to 6, 50% Duty Cycle)Output Buffer MutingCharge Pump Supply from 3.15V to 5.25VCharge Pump Current from 1mA to 11.2mAReference Input Frequency Up to 425MHzFast Frequency Switching