SMV0140B is a low-cost high-performance VCO manufactured by Z-Communications. It is suitable for portable radios, base stations, and test instruments. The VCO's frequency range is 13.5~145MHz, tuning voltage is 0.5~4.5Vdc, output power is -100~-6dBm, input capacitance is 500pF, and output impedance is 50 ohms.