MRO控制基准振荡器

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MRO控制基准振荡器

MRO控制基准振荡器

图片关键词

 

应 用
   
 
    Spectrum Microwave’s line of Master reference oscillators (MROs) is vibration hardened ultra low noise Crystal oscillators intended for an airborne military application.

 

   
  特 点
   
 
●  SC cut crystal for stability and low noise.
●  Ovenized oscillator has a less than 10-minute warm-up to achieve 0.5 PPM accuracy.
●  Integrated doublers (x2 and x4), amplifier, built in power test, and band pass filter circuits.
●  TTL oven ready indicator.
●  Internal voltage regulation to minimize pushing.
●  Low resonance (<10 Hz) vibration isolation system to minimize the effects of vibration on phase noise performance.
   
  重要技术参数
   
  Typical Performance Characteristics

Frequency

60 – 480 MHz

Output power level

+20 dBm

Aging

+/-1PPM per year after 30 days operation

Harmonics

-40 dBc

Spurious

-90 dBc max in a +/-2 MHz B.W. about 160 MHz -75 dBc from +/-2 MHz to +/-20 MHz about 160 MHz

Temperature stability

+/- 0.5 PPM , -20 to +60° C, REF +25° C

Dimensions

6.75" x 5" x 2.688"

Connector RF

SMA female

Connector E-tune

SMA Female

DC and Bits

Male 9 pin D connector

Packaging

Machined aluminum housing Nickel plated per MIL-C-26074

DC power

15 V

DC current

1.5 A during warm up 0.5 A after warm up

VSWR

1.5:1 max @160 MHz into a 50 ohm system

Phase Noise (60 MHz – 120 MHz output frequency)

Offset Freq Hz

Static Noise dBc/Hz

Dynamic Noise dBc/Hz

10

-100

-84

100

-131

-116

1000

-158

-152

10K

-173

-172

20K

-176

-176

1Meg

-176

-176

Phase Noise (120 MHz – 240 MHz output frequency)

Offset Freq Hz

Static Noise dBc/Hz

Dynamic Noise dBc/Hz

10

-95

-78

100

-125

-110

1000

-152

-146

10K

-167

-166

20K

-170

-170

1Meg

-170

-170

Phase Noise (240 MHz – 480 MHz output frequency)

Offset Freq Hz

Static Noise dBc/Hz

Dynamic Noise dBc/Hz

10

-89

-72

100

-119

-104

1000

-146

-140

10K

-161

-160

20K

-164

-164

1Meg

-164

-164

 

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