IQVCXO-161 ISSUE 6; 23 AUGUST 1998 ■ Frequency Delivery Options ■ Date Code (Year/Week) ■ Please contact our sales office for current leadtimes Output Compatibility ■ HCMOS/TTL ■ Drive Capability: 15pF/10TTL Minimum Order Information Required ■ Frequency + Model Number + Operating Temperature + Frequency Stability Outline in mm Package Outline 14 pin DIL compatible resistance welded enclosure, hermetically sealed with glass to metal seals ∅0.45 ■ ■ ■ 0 to 70°C –20 to 70°C –40 to 85°C (available 30.0 to 90.0MHz only) Pin connections 1. Voltage Control 7. GND 8. Output 14. +Vs LEADED VCXOs 7 14 8 15.24 21.0 max Frequency Range 1.0 to <30.0MHz 30.0 to 90.0MHz Storage Temperature Range ■ 1 7.62 Operating Temperature Ranges 13.08 max ±25ppm, ±50ppm @ Vc = 2.5V (inclusive of supply voltage & output load variations over the operating temperature range) 4.0 min Standard Frequency Stabilities ■ H 0.8 max ■ –40 to 85°C Height (H) 5.1 max. 8.0 max. Environmental Specification ■ Terminal Strength: 0.91kg max. Force perpendicular to top & bottom ■ Hermetic Seal: not to exceed 1 x 10-8 mBar litres of Helium leakage ■ Solderability: MIL-STD-202E, Method 208C +Vs ■ Vibration: 10 to 55Hz 0.76mm displacement, sweep 60 seconds, duration 2 hours 90%Vs ■ Rapid Change of Temperature Temperature Range: 10 cycles 50%Vs ■ Shock: 981m/s2 for 6ms, three shocks in each direction along the three mutually perpendicular planes over Operating Output Waveform - HCMOS/TTL tf tr 2.4V 10%Vs 1.4V 0.4V Output Frequency Change ■ t 0V T Duty cycle = t x 100(%) T ±100ppm min Voltage Control Pin 1 ■ 2.5V ±2.0V Modulation Bandwidth ■ >15kHz Marking ■ Model number ■ Frequency Stability Code ■ Frequency Tolerance Code (Optional) 62 Electrical Specifications - maximum limiting values when measured in HCMOS test circuit. Frequency Range Frequency Stability Supply Voltage Output Frequency Change Supply Current Rise Time(tr) Fall Time(tf) Duty Cycle Model Number 1.0 to < 24.0MHz ±25ppm ±50ppm 5V±0.25V ±100ppm 15mA 10ns 10ns 40/60% IQVCXO-161 24.0 to < 30.0MHz ±25ppm ±50ppm 5V±0.25V ±100ppm 40mA 10ns 10ns 40/60% IQVCXO-161 30.0 to 90.0MHz ±25ppm ±50ppm 5V±0.25V ±100ppm 30mA 5ns 5ns 40/60% IQVCXO-161 Ordering Example 22.0MHz IQVCXO-161 S B Frequency Model number Operating Temperature Code: *X = -40 to 85°C, S = -20 to 70°C, Not applicable for 0 to 70°C Frequency Stability: A = ±25ppm, B = ±50ppm *Please note: Available 30.0 to 90.0MHz only Typical Voltage Control Curve @ 25°C & 20.0MHz LEADED VCXOs 100 ∆f/f0 (ppm) 50 0 -50 -100 0.5 1.5 2.5 3.5 4.5 Vcont(T) Test Circuit - TTL Test Circuit - HCMOS A Oscillator 1 7 14 8 2.0k 10.0k +Vs A +Vs Oscillator 1 7 14 8 2.0k 10.0k V D1 D2 V V 0.1µF 15pF* Oscilloscope 400R V 0.1µF 15pF* D3 D4 Frequency counter Oscilloscope Frequency counter D 1 to D4 = IN4148 or equivalent *Inclusive of jigging & equipment capacitance *Inclusive of jigging & equipment capacitance 63