PRODUCT TYPE:

Vibration Isolated

DESCRIPTION:

Wenzel Associates designs and manufactures crystal oscillators, fixed frequency systems, integrated microwave assemblies and synthesizers to X-band. Many are custom designs for environments which require very low noise performance under vibration. Wenzel has many vibration isolated oscillator designs, and vibration isolation is standard in Wenzel’s HF and VHF Citrine Series oscillators. The Citrine can be provided with mounting holes for isolators or the oscillator with shock isolators can be mounted into a standard external Citrine housing. When isolated in the housing, vibration testing is provided at Wenzel for the system as a whole. In some cases, the Citrine’s internal housing has two cavities, one for a very low noise crystal oscillator and a second cavity that houses a PLL, x2 stage, odd order multiplier stage (x3, x5 or x7), a high output amplifier stage or dividers. The additional cavity adds mass, which can drive the resonant frequency of the isolators below 35 Hz. The typical resonant frequency for the Citrine products which includes just the low noise oscillator is ~50 Hz.

Model	Description	Application	Phase Noise (100 kHz)	Size
Vibration Isolated HF Citrine	Frequencies from 10 MHz to 25 MHz, fixed Standard or Premium Phase Noise Options Ruggedized for Dynamic Environments Nickel-Plated Machined Aluminum Case SMA(f) and Solder Pins on Side Optional Voltage Reference and Oven Monitor Pins Output: Sine, +13 dBm, Standard Dual Output Option Low G-Sensitivity to 1E-10/g per axis Excellent Temperature Stability Low Aging rate Natural Mount Resonant Frequency (~50 Hz, typical)	Airborne Radar Systems Tacticle Radio Vehicular Communication	-165 dBc/Hz (Standard) -174 dBc/Hz (Premium)	3.25 x 3.05 x 1.25"

Model	Description	Application	Phase Noise (100 kHz)	Size
Vibration Isolated HF Citrine Plus	Frequencies from 1 MHz to 125 MHz, fixed Standard or Premium Phase Noise Options HF OCXO (5 MHz to 25 MHz) Plus an Additional Circuit Option to add Multiplier, Divider, Filter, PLL, or Amplifier Ruggedized for Dynamic Environments Nickel-Plated Machined Aluminum Case SMA(f) and Solder Pins on Side Optional Voltage Reference and Oven Monitor Pins Output: Sine, +13 dBm, Standard; To +21 dBm (w/ Integ Amplifier) Low G-Sensitivity to 1E-10/g per axis Excellent Temperature Stability Low Aging rate Natural Mount Resonant Frequency (~35 Hz, typical)	Airborne Radar Systems Tacticle Radio Vehicular Communication	1 MHz (10 MHz divide by 10) 50 MHz (16.666666 MHz by 3) -165 dBc/Hz ( 1 MHz Standard) -168 dBc/Hz ( 1 MHz Premium) -153 dBc/Hz ( 50 MHz Standard) -163 dBc/Hz ( 50 MHz Premium)	3.25 x 3.05 x 1.75"

Model	Description	Application	Phase Noise (100 kHz)	Size
Vibration Isolated VHF Citrine	Frequencies from 25 MHz to 160 MHz, fixed Standard, Premium, or Golden Phase Noise Options Ruggedized for Dynamic Environments Nickel-Plated Machined Aluminum Case SMA(f) and Solder Pins on Side Optional Voltage Reference and Oven Monitor Pins Output: Sine, +13 dBm, Standard; To +18 dBm, Optional Low G-Sensitivity to 2E-10/g per axis Natural Mount Resonant Frequency (~50 Hz, typical)	Airborne Radar Systems Tacticle Radio Vehicular Communication	-170 dBc/Hz (Standard) -176 dBc/Hz (Premium) -188 dBc/Hz (Golden)	3 x 2.8 x 1.15"

Model	Description	Application	Phase Noise (100 kHz)	Size
Vibration Isolated VHF Citrine Plus	Frequencies from 50 MHz to 700 MHz, fixed Standard or Premium Phase Noise Options VHF OCXO (25 MHz to 160 MHz) Plus an Additional Circuit Option to add Multiplier, Divider, Filter, PLL or Amplifier Ruggedized for Dynamic Environments Nickel-Plated Machined Aluminum Case SMA(f) and Solder Pins on Side Optional Voltage Reference and Oven Monitor Pins Output: Sine, +13 dBm, Standard; To +21 dBm (w/Integrated Amplifier) Low G-Sensitivity to 2E-10/g per axis Natural Mount Resonant Frequency (~35 Hz, typical)	Airborne Radar Systems Tacticle Radio Vehicular Communication	200 MHz (100 MHz x 2) 500 MHz (100 MHz x 5) 650 MHz (130 MHz x 5) -163 dBc/Hz (200 MHz, Standard) -154 dBc/Hz (500 MHz, Standard) -154 dBc/Hz (650 MHz, Standard) -169 dBc/Hz (200 MHz, Premium) -160 dBc/Hz (500 MHz, Premium) -160 dBc/Hz (650 MHz, Premium)	3 x 2.8 x 1.75"

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