Crystal Oscillator Model Name NH26M26LB Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment ■ Main Application ● Mobile communication base station ● Exchanger ● Measuring instrument ● Synthesizer ● High-end router ■ Features ● Compact, with a low height. ● Excellent rise characteristics. ● Excellent phase noise characteristics. (10MHz : -145dBc/Hz at 1kHz) d En ● Excellent long-term frequency stability.(±100×10-9/year) ■ Specifications Model Item Measurement condition Nominal frequency (MHz) NH26M26LB 10, 13 Supply voltage [VCC] (V) +5 ±5 % at start Power consumption (W) Max. 3 when stable (+25 °C) Max. 1.3 Symmetry (%) fe 1 Li -20 of ay M HCMOS level (VOL Max. 0.5 V, VOH Min. 4.5 V) Output voltage 40 to 60 at 1/2 VCC Load impedance (pF) 15 Operating temperature range (°C) −10 to +70 Storage temperature range (°C) Stabilization time Long-term frequency stability −40 to +85 Stabilization Time (Frequency Stability) within ±50 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Max. 3 minutes Based on frequency after 72 hours operation Max. ±2×10−9/day Based on frequency after 72 hours operation Max. ±100×10−9/year Frequency/Temperature characteristics −10 to +70 °C Max. ±10×10−9 Frequency/Voltage coefficient VCC +5 V ± 5 % Max. ±5×10−9 Frequency control range Vcont +2.5 ± 2.5 V Min. ±1×10−6 Frequency change polarity Positive ■ Reference Value Offset frequency Phase noise (at 10 MHz) 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. ■ List of Options ■ Dimensions mm 26max 5 - Φ0.8 ± 0.1 Terminal number is not printed #3 #4 11.5 ± 0.3 #5 #2 OUTPUT GND Vcont NC VCC 19.05 ± 0.3 STAND OFF (GLASS) 4POINT #1 0.65 ± 0.15 6.2 13.67max 26max #1 #2 #3 #4 #5 11.5 ± 0.3 19.05 ± 0.3 Tolerance ±0.5 mm −40 to +70 Power supply voltage [VCC] (V) +3.3 Nominal frequency range (MHz) 10 to 20 3 Pin connections Operating temperature range (°C) For details of options, please feel free to contact our sales representatives. ■ List of Ordering Codes Nominal frequency (MHz) 10 NH26M26LB-10M-NSA3426A 13 NH26M26LB-13M-NSA3426A Ordering Code The above frequencies are NDK’s standard frequencies. Frequencies other than the above are available. Feel free to contact our sales representatives. ocxo08_110922_NH26N26LB_e