Crystal Oscillator NH20M20LC Oven Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment ■ Main Application ● Base stations for system mobile communications ● High-end router ● Synthesizer ● Measuring instrument ● Exchanger ■ Features ● Compact, with a low height. ● Excellent rise characteristics. ● Excellent phase noise characteristics. ■ Specifications Model Item Nominal Frequency fnom (MHz) NH20M20LC 38.88 Supply Voltage Vcc (V) +5 Load Impedance CL (pF) 15 Operating Temperature Range Topr (°C) –20 to + 70 Storage Temperature Range Tstr (°C) –40 to + 85 at start Power Consumption PCC (W) Max. 3.0 when stable, at +25°C Max. 1.5 Frequency Tolerance Δf/fnom at +25°C, Vcont = Center, before shipment Frequency/Temperature Characteristics Δf/f at Operating Temperature Range Frequency/Voltage Coefficient Δf/f VCC ± 5% Max. 500×10-9 Max. ±200×10–9 Max. ±50×10–9 Long-term Frequency Stability Δf/f Based on frequency after 30 days operation Stabilization Time (min.) Time within specified frequency tolerance after power on at +25°C, based on frequency after 60minutes operation. Max. ±10×10–9 / day Max. ±500×10–9 / year Max. 3 / within ± 500×10–9 HCMOS VOL : Max. +0.5 V VOH : Min. +4.5 V 40 to 60 Output Voltage at (VOH + VOL) / 2 Symmetry (%) Specification Number NSA3604A ■ Dimensions ■ Reference Value mm 21.5max Typ. –70 10 Hz Typ. –100 #1 VCC #2 OUTPUT 100 Hz Typ. –130 #3 GND 1 kHz Typ. –145 #4 NC 10 kHz Typ. –145 #5 NC 0.3 −0 11max 5 Phase Noise (at 38.88 MHz) dBc/Hz +0.2 21.5max Pin connections Offset Frequency 1 Hz 5 × Φ0.45 ± 0.1 #2 #5 7.62 STAND OFF (GLASS) 4POINT #3 7.62 15.24 15.24 #1 #4 Tolerance ±0.3 Tolerance: ± 0.5 It might be printed manegement code to the bottom. We offer dedicated tool for evaluation of this product Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. 1706C_NH20M20LC_e