Model 511068
COAXIALRESONATOR
OSCILLATOR
Features
1500 MHz
ꢀ
Low Phase Noise Bipolar Transistor
ꢀ
Rugged Construction for Extreme Environmental Conditions
ꢀ High Frequency Stability
Voltage Tuning Option
Maximum Ratings
ꢀ
Ambient OperatingTemperature .............-55ºC to +100 ºC
StorageTemperature ..............................-62ºC to +125 ºC
CaseTemperature ...............................................+125 ºC
DCVoltage ....................................................... +20 Volts
Maximum DC Tuning Voltage ............................ +20 Volts
Minimum DCTuning Voltage..................................0 Volts
Specifications
CHARACTERISTIC
TYPICAL
Ta= 25 ºC
1500 MHz
MIN/MAX
Ta = -10 ºC to +60 ºC
1500 MHz
Frequency
Output Power (dBm)
Spurious (dBc)
Phase Noise (dB)
+10
-60
+13 Max.
-60
NOTE: Care should always be taken to
effectively ground the case of each unit.
-45 dBc/Hz @ 100 Hz
-85 dBc/Hz @ 1 KHz
-112 dBc/Hz @ 10 KHz
-135 dBc/Hz @ 100 KHz
-146 dBc/Hz @ 1 MHz
VSWR
1.5
-20
2.0
-20
Harmonics (dBc)
Frequency Pushing
Frequency Pulling
+/- 0.1% / Volt
+/- 0.02%
+/- .02% / Volt
+/- 0.03%
Temperature Drift
+/- 0.01%
+/- 0.02%
StorageTemperature
-55 ºC
+125 ºC
Supply Power DC
mA
15
150
15
155
Spectrum Microwave CROs produce impressive fre-
quency stability and phase noise when used in a prop-
erly designed oscillator circuit. The units can be voltage
tuned with a varactor over 5% bandwidth and still retain
excellent stability and phase noise performance.
Mechanical Outline
Rev.
3/6/08
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001
www.SpectrumMicrowave.com