characteristic typical min/max ta= 25 o c ta = -20 o c to +70 o c frequency 1 100 mhz 1100 mhz supply power dc 15 15 ma 120 125 phase locked oscillator model 621511 (1100 mhz) vswr 1.5 2.0 spurious (dbc) -70 -60 variation over temperature (dbm) +/- 0.75 dbm +/- 1 dbm output power (dbm) +13 +12 specifications features ! ! ! ! ! low phase noise: -135 dbc/hz @ 100 khz ! ! ! ! ! low spurious: -70 dbc typical ! ! ! ! ! external reference ! ! ! ! ! environmental screening available harmonics (dbc) -25 -20 external reference 100 mhz 1 / 200 mhz lock indicator ttl (high=locked) ttl (low=unlocked) storage temperature -55 o c +125 o c spectrum microwave, inc. 2707 black lake place phila, pa. 19154 www .s pectrummicrowave.com ph: 215-464-4000 fax: 215-464-4001 rev. 3/19/09 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. phase noise (db) -106 dbc/hz @ 100 hz -129 dbc/hz @ 1 khz -131 dbc/hz @ 10 khz -129 dbc/hz @ 30 khz -135 dbc/hz @ 100 khz -146 dbc/hz @ 1 mhz
phase locked oscillator model 621511 (1100 mhz) spectrum microwave, inc. 2707 black lake place phila, pa. 19154 www .s pectrummicrowave.com ph: 215-464-4000 fax: 215-464-40 01 outline drawing
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