TF-1601DG is a Pre-ordered Products DIP16 RoHS manufactured by CND-tek. It is a low-power voltage-controlled oscillator (VCO) and is designed primarily for use in FM wireless transmission systems. This chip can provide continuous frequency output from 0.4 Hz to 20 kHz and is available in a 16-pin dual in-line package (DIP) for easy installation. It includes frequency control screw adjustment, temperature compensation circuits, and PLL frequency synthesis functions. It has a low power consumption of 4.0 mW. It also features an integrated circuit containing a stable oscillator core, a frequency divider, buffer amplifier, and an output buffer amplifier. It is suitable for use in FM radio receivers, FM wireless communication systems, and other applications where frequency control and stable frequency output are required.