KIT32 Three-Stage FM Transmitter Kit with ZTX320 RF Output Stage 9V

The KIT32 Three-Stage FM Transmitter Kit is a high-performance DIY FM transmitter designed for electronics enthusiasts, students, and hobbyists interested in learning about radio frequency (RF) communication and FM transmission techniques. As one of the most powerful FM transmitter kits in its series, the KIT32 provides an excellent platform for exploring oscillator design, RF amplification, modulation, and antenna matching.

The transmitter features a three-stage circuit architecture, incorporating a dedicated ZTX320 RF transistor in the output stage to provide improved RF performance and greater transmission capability compared to simpler single-stage transmitter designs. This enhanced configuration delivers a stronger, more stable output signal while providing valuable insight into multi-stage RF circuit design.

Operating from a standard 9 V DC supply, the KIT32 is suitable for portable operation and educational laboratory use. An on/off switch is mounted directly on the PCB, providing convenient control of the transmitter without requiring additional external switching components.

Designed as a DIY electronics kit, the KIT32 offers valuable practical experience in soldering, PCB assembly, RF electronics, oscillator circuits, and transmitter alignment. The assembly process helps users develop a deeper understanding of FM modulation and wireless communication while producing a functional transmitter for educational and experimental applications.

Its compact design makes it suitable for electronics laboratories, RF demonstrations, STEM education, and hobby projects involving wireless audio transmission. As with all FM transmitters, the operating frequency should be carefully adjusted to an unused channel within the FM band where permitted by local regulations.

The KIT32 is intended for educational and experimental purposes. Users are responsible for ensuring operation complies with all applicable radio communications regulations, including permitted frequencies, transmission power, and licensing requirements.

Features

• Three-stage FM transmitter design
• High-performance RF output stage using ZTX320 transistor
• More powerful transmitter than earlier FM transmitter kits
• Operates from a standard 9 V DC supply
• Integrated PCB-mounted on/off switch
• Compact and portable design
• Excellent educational project for RF electronics
• Demonstrates FM modulation and RF amplification principles
• DIY electronic kit develops soldering and RF assembly skills
• Ideal for students, hobbyists, and electronics enthusiasts

Specifications

• Product Code: KIT32
• Device Type: Three-Stage FM Transmitter Kit
• Function Group: Transmitters / Receivers / Remote
• Operating Voltage: 9 VDC
• Transmitter Configuration: Three-stage FM transmitter
• RF Output Transistor: ZTX320
• Power Switch: PCB-mounted on/off switch
• Power Source: 9 V DC
• Construction: DIY electronic kit
• PCB Type: Through-hole component assembly
• Typical Applications: RF education, wireless communication experiments, FM transmission demonstrations, electronics training, laboratory projects, STEM education, hobby electronics, and prototype RF circuit development.

Important: Operation of FM transmitters is subject to local radio communications regulations. Users must ensure the transmitter is operated only on authorised frequencies and within the legal transmission power limits applicable in their country.

What's in the box
1 x KIT32 Three-Stage FM Transmitter Kit with ZTX320 RF Output Stage 9V