cts reeves frequency products crystals clocks vcxos tcxos ocxos 113 400 reimann ave. ? sandwich, il 60548 phone: 815-786-8411 ? fax: 815-786-3600 ? e-mail: www.ctsreeves.com model 120 dac controlled ocxo available frequencies 4.8, 32.768 mhz +12.0 vdc 30% 10 watts max. 4 watts typical hcmos compatible 20 pf 5 x 10 -8 in 15 minutes offset level (dbc/hz) 1 hz -115 100 hz -140 1 khz -145 10 khz -145 5 x 10 -9 12 bit serial, msb first format sufficient for 15 years 10% input voltage supply current - warm-up steady state @ -40 c output load warm-up referenced to the frequency @ 1 hr. phase noise (1 hz bandwidth) @8.192 mhz frequency vs power supply ( 5%) digital frequency adjust dac type tuning range tuning linearity parameter electrical specifications: features: ? internal 12 bit serial dac ? small size ? high stability ? digitally adjustable
114 cts reeves frequency products 400 reimann ave. ? sandwich, il 60548 phone: 815-786-8411 ? fax: 815-786-3600 ? e-mail: www.ctsreeves.com crystals clocks vcxos tcxos ocxos 1 st year aging code 0.5 ppm a 0.3 ppm b 0.1 ppm c 0.05 ppm d mechanical specifications: case: metal, hermetically sealed leads: kovar, solder coated seal: solder seal leak test: leak rate less than 5x10 -5 atmosphere-cc/sec of helium solderability: 95% solder coverage, using rma flux 63 sn/37 pb at +245 c 5 c temperature: operating: see chart storage: -55 to 85 c vibration: 5 g's sine, 10 to 500 hz mechanical shock: 50 g's 5ms pulse (3 shock/plane) ordering information: temp stability 5 x 10 -9 1 x 10 -8 2 x 10 -8 5 x 10 -8 1 x 10 -7 temp range code abcde 0 to 50 caxxxxx 0 to 70 cb xxxx -30 to 70 cc x x x -40 to +85 cd x x note: not all options are available at all frequencies. consult factory for details. model 120 dac controlled ocxo 1.00 max .025 min .110 min .800 1.600 .800 1.600 2.10 square max .040 .005 (7) places insulating spacer 1 2 34 7 pin function rf output 1 +19 to +26v osc ground, case 3 2 clk - clock 4 sdi - serial data in 5 pin numbers for reference .600 .400 5 6 and not marked on unit. ld - load strobe n/c - cts use 7 6 c l l c aging stability temp. range model type 120 ___ ___ ___ ___ ___ ___ ___ freq. in mhz pin connections pin function 1 rf output 2 ground. case 3 +19 to +26v osc 4 clk - clock 5 sdi - serial data in 6 ld - load strobe 7 n/c - cts use
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