crystal oscillator - 6 - 13a_0604_nh37m28lc_e oven-controlled crystal oscillator (ocxo) for fixed communication equipment model name nh37m28lc base stations for mobile communications system(lte , wimax). measuring instrument synthesizer exchanger high-end router main application excellent temperature characteristics. low power consumption. compact. excellent rise characteristics. excellent phase noise characteristics. excellent long-term frequency stability. features phase noise (at 10 mhz) offset frequency dbc/hz 1 hz ?80 10 hz ?120 100 hz ?140 1 khz ?145 10 khz ?150 the value of phase noise changes when the frequency changes. reference value mm 33.1 37 max. 28 max. 24.0 17.780.3 25.40.3 #4 #3 #2 #1 stand off (4point) #6 2.540.3 15.240.3 17.80.3 #5 6- 0.80.1 19 max. 0.650.3 6.21.0 tolerance 0.5mm #1 #2 #3 #4 #5 #6 nc v cc v cont output nc gnd pin connections dimensions specifcations model item measurement condition nh37m28lc nominal frequency (mhz) 10 supply voltage [v cc ] (v) +5.0 5 % power consumption (w) at start max. 3.5 when stable (+25 c) max. 1.3 output voltage (v) hcmos level (v ol max. 0.5 v, v oh min. 4.5 v) symmetry (%) at 1/2 v cc 40 to 60 load impedance (pf) 15 operating temperature range (c) ?20 to +70 storage temperature range (c) ?40 to +85 stabilization time stabilization time (frequency stability) within 100 10 ?9 after power on at +25c , based on frequency after 60minutes operation. max. 10 minutes long-term frequency stability based on frequency after 30 days operation max. 0.510 ?9 /day based on frequency after 30 days operation max. 5010 ?9 /year frequency/temperature characteristics max. 5.010 ?9 frequency/voltage coeffcient v cc +5 v 5 % max. 1.010 ?9 frequency control range v cont +2.0 2.0v min. 50010 ?6 frequency change polarity positive nominal frequency (mhz) ordering code 10 NH37M28LC-10M-NSA3487A the above frequencies are ndks standard frequencies. frequencies other than the above are available. feel free to contact our sales representatives. list of ordering codes
|
