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| PHASE LOCKED OSCILLATOR MODEL 621499 (500 MHz) Features ! ! ! ! Low Phase Noise: -138 dBc/Hz @ 100 kHz Low Spurious: -70 dBc Typical External Reference: 100 MHz Environmental Screening Available Specifications CHARACTERISTIC Frequency Output Power (dBm) Variation Over Temperature (dBm) Spurious (dBc) Phase Noise (dB) TYPICAL Ta= 25 C 500 MHz +13 +/- 0.75 dBm -70 -113 dBc/Hz @ 100 Hz -136 dBc/Hz @ 1 kHz -138 dBc/Hz @ 10 kHz -136 dBc/Hz @ 30 kHz -138 dBc/Hz @ 100 kHz -150 dBc/Hz @ 1 MHz 1.5 -25 10 TTL (High=Locked) -55 C 15 120 MIN/MAX Ta = -20 C to +70 C 500 MHz +12 +/- 1 dBm -60 Description Spectrum Microwave's Series 600 Phase Locked Oscillators use a High "Q" Coaxial Resonator in the resonant circuit. The circuit is lightly loaded to obtain the lowest phase noise possible. The resonator is soldered to a printed circuit board and well grounded to minimize modulation sidebands during shock and vibration. Buffer amplifiers are used to provide isolation from load VSWRs; Regulators filter noise on the DC input voltage. Internal reference models are also available. A lock indicator circuit is provided to signal an out-of-lock condition. VSWR Harmonics (dBc) External Reference (MHz) Lock Indicator Storage Temperature Supply Power DC mA 2.0 -20 10 TTL (Low=Unlocked) +125 C 15 125 Spectrum Microwave, Inc. www.SpectrumMicrowave.com 2707 Black Lake Place Phila, Pa. 19154 PH: 215-464-4000 FAX: 215-464-4001 Rev. 9/19/08 PHASE LOCKED OSCILLATOR MODEL 621499 (500 MHz) Outline Drawing Spectrum Microwave, Inc. www.SpectrumMicrowave.com 2707 Black Lake Place Phila, Pa. 19154 PH: 215-464-4000 FAX: 215-464-4001 |
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