VOLTAGE CONTROLLED OSCILLATOR SURFACE MOUNT MODEL: DCMO1857 180 - 570 MHz WIDE BANDWIDTH Phase Noise Phase Noise (dBc/Hz) w/VCC at +12 V FEATURES: ► Exceptional Phase Noise Performance ► Small Size, Surface Mount ► Lead Free REL-PRO® Technology -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 100 1000 10000 100000 1000000 Offset Frequency (Hz) 180.3MHz/0.92V 345.2MHz/8V 519MHz/18V SPECIFICATIONS ( Rev. D 07/03/07 ) Frequency 180 - 570 MHz Tuning Voltage (Full Band) 0.5 - 24 VDC Bias Voltage Range +5 to +12 VDC @ 30 mA (Max) Output Power +3 dBm (Min) Tuning Sensitivity 10 - 15 MHz/V (Typ) Output Impedance 50 Ohms (Nom) Harmonic Suppression 10 dBc (Typ) Frequency Pulling 7 MHz (Typ @ 1.75:1 VSWR) Frequency Pushing 2 MHz/V (Typ) Phase Noise @ 10 kHz -108 dBc/Hz (Typ) Operating Temperature Range -40 to +85 °C Guaranteed Tuning Specifications Tuning Voltage ( V ) Frequency ( MHz ) 0.5 180 (Max) 5 260 (Min) 8 340 (Min) 12 420 (Min) 15 470 (Min) 18 505 (Min) 24 570 (Min) Package # 278LF 206.8MHz/2V 425.5MHz/12V 570.1MHz/22.26V 10000000 VOLTAGE CONTROLLED OSCILLATOR SURFACE MOUNT MODEL: DCMO1857 180 - 570 MHz 650 600 550 500 450 400 350 300 250 200 150 0 5 10 15 20 25 Control Voltage (Vdc) Output Power (dBm) +25ºC +85ºC -40ºC 12 11 10 9 8 7 6 5 4 3 2 1 0 0 5 10 15 20 Control Voltage (Vdc) +25ºC +85ºC -40ºC 25 PERFORMANCE PLOTS Frequency (MHz) WIDE BANDWIDTH VOLTAGE CONTROLLED OSCILLATOR SURFACE MOUNT MODEL: DCMO1857 180 - 570 MHz 30.00 25.00 20.00 15.00 10.00 5.00 0.00 0 5 10 15 20 25 Control Voltage (Vdc) +25ºC +85ºC -40ºC 2nd Harmonic Suppression (dBc) 0 -10 -20 -30 -40 -50 0 5 10 15 20 Control Voltage (Vdc) +25ºC +85ºC -40ºC 25 PERFORMANCE PLOTS Tuning Sensitivity (MHz/V) WIDE BANDWIDTH