RF/Microwave SAW Oscillators
Overview
Microsemi designs and manufactures high performance SAW oscillators for defense and space.The portofolio includes STW and Rayleigh SAW Resonators on quartz, fundamental mode to 2500 MHz, unloaded Q approaches the material limit.SAW Oscillators Features
- Temperature stable: Micro-Oven temperature stabilizes only the SAW surface, +-10ppm for -40C to 85C, 3 second warm-up, only .25W at room ambient
- Low phase noise circuitry: Special attention to loaded Q, 1/f noise, varactor noise, and noise floor
- Voltage Controlled: Low noise varactor tuned 200ppm
- Vibration sensitivity: No mechanical resonance <2KHz, on-board 3-axis accelerometer for active vibration compensation
- Aging: Special resonator packaging techniques to minimize aging
- Frequency multipliers: On-board 2-5x available
- Power: <.5W, 5 & 12 V available
- Size: 1x1x.2” hermetic kovar flatpack
- Phase Locked SAW Oscillator: PLL+VCSO locked to a low freq reference, all in 2.3″x1″ (58mmx25mm) hermetic kovar flatpack
- Test: Complete multi-temperature Acceptance Test Report shipped with every unit
- Connectorized package available
Key to Abbreviations
Material Code
STQ = 42.75 degree rotated Y cut, X propagating, SiO2, Temp Coeff = 3E-8##YX-Q = 32 to 43 degree rotated Y cut, X propagating, SiO2, Temp Coeff = 3E-8
YZ-LN = Y cut, X propagating, LiNbO3, Temp Coeff = 94E-6
128YX-LN = 128 degree rotated Y cut, X propagating, LiNbO3, Temp Coeff = 75E-6
X112Y-LT = X cut, 112 degree from Y propagating, LiTaO3, Temp Coeff = 18E-6
Matching Code
external matching elements listed from source to loadseries elements upper case, shunt elements lower case
R=resistor, L=inductor, C=capacitor, T=transformer, B=balun, S=saw
Z = internal impedance match
C = connectorized
O = ovenized
A = amplified
S = switched
M = multiplexed
W = weighted amplitude
# = used in module p/n #, or uses component p/n #, with hyperlink to that p/n
Notes:
- A Component is a hermetic SAW product with no DC connections
- A Module contains one or more Components
- A Subsystem contains multiple Modules
- Spurious is in the time domain. The principle spurious are feedthru and triple transit. ‘NA’ is designated in this column for Resonators in the Bandpass Filters section.
- ITAR unrestricted parts in standard packages, indicated by asterisks to the right of the Model numbers below, are available for web sale in small quantities.
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