VOLTAGE CONTROLLED OSCILLATOR SURFACE MOUNT MODEL: DCRO128177-9 1280 - 1775 MHz OPTIMIZED BANDWIDTH FEATURES: ► Exceptional Phase Noise Performance ► Small Size, Surface Mount ► Lead Free REL-PRO® Technology ► Planar Resonator Construction Phase Noise -30 -40 -50 Phase Noise (dBc/Hz) -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 100 1000 10000 100000 1000000 10000000 Offset Frequency (Hz) 1280.3MHz/2.05V SPECIFICATIONS (Rev. B 10/19/07) Frequency Tuning Voltage Bias Voltage Output Power Tuning Sensitivity Output Impedance Harmonic Suppression Frequency Pulling Frequency Pushing Tuning Port Capacitance Phase Noise @ 10 kHz Operating Temperature Range 1280 - 1775 MHz See table below. +9 VDC @ 27 mA (Max.) +3 dBm (Min.) 12 - 42 MHz/V (Typ.) 50 Ohms (Nom.) 17 dB (Typ.) 7 MHz (Typ. @ 1.75:1 VSWR) 5 MHz/V (Typ.) 33 pF (Typ.) -106 dBc/Hz (Typ.) -40 to +85 °C Guaranteed Tuning Specifications Tuning Voltage ( V ) Frequency ( MHz ) 0.5 1280 (Max.) 5 1325 (Min.) 8 1400 (Min.) 12 1525 (Min.) 15 1625 (Min.) 18 1700 (Min.) 24 1775 (Min.) Absolute Maximum Ratings Storage Temp. Range Bias Voltage Tuning Voltage DC Voltage Applied to RF Out -55 to +125 ºC +10 V +28 V ± 25 V Package # 278LF 1421.4MHz/7V 1581MHz/11V 1775MHz/18.19V VOLTAGE CONTROLLED OSCILLATOR SURFACE MOUNT MODEL: DCRO128177-9 1280 - 1775 MHz OPTIMIZED BANDWIDTH 1880 1750 Frequency (MHz) 1685 1620 1555 1490 1425 1360 1295 1230 0 2 4 6 8 10 12 14 16 18 20 22 24 22 24 Control Voltage (Vdc) +25ºC +85ºC -40ºC 8 7 Output Power (dBm) 6 5 4 3 2 1 0 0 2 4 6 8 10 12 14 Control Voltage (Vdc) +25ºC +85ºC -40ºC 16 18 20 PERFORMANCE PLOTS 1815 VOLTAGE CONTROLLED OSCILLATOR SURFACE MOUNT MODEL: DCRO128177-9 1280 - 1775 MHz OPTIMIZED BANDWIDTH 45 Tuning Sensitivity (MHz/V) 35 30 25 20 15 10 5 0 0 2 4 6 8 10 12 14 16 18 20 22 24 Control Voltage (Vdc) +25ºC +85ºC -40ºC 0 2nd Harmonic Suppression (dB) -5 -10 -15 -20 -25 -30 -35 -40 0 2 4 6 8 10 12 14 Control Voltage (Vdc) +25ºC +85ºC -40ºC 16 18 20 22 24 PERFORMANCE PLOTS 40