
( Brand: Motorola ), ( Manufacturer Part Number: MRF136Y ), ( Type: 30 Watts )
The MRF136Y Motorola 2x RF Power Amplifier Transistor QRP Transmitter is a high-performance component designed specifically for amateur radio applications. This transistor is a dual-gate, enhancement-mode, P-channel, high-electron-mobility transistor (HEMT) that is ideal for use in low-power, high-efficiency, and linear RF power amplifier circuits.
The MRF136Y is a 2x RF power amplifier transistor, meaning it can provide up to 136 watts of output power per device when operated in push-pull configuration. It is designed to operate at a frequency range of 1.2 to 1.4 GHz, making it an excellent choice for use in the 220 MHz and 70 cm amateur radio bands.
The transistor is characterized by its high gain, low noise figure, and high linearity, which make it well-suited for use in QRP (low-power) transmitter applications. It is also highly efficient, with a maximum drain efficiency of over 50%, which can help to extend battery life in portable QRP transmitters.
The MRF136Y is packaged in a small, surface-mountable SO-8 package, making it easy to integrate into a variety of circuit designs. It is also compatible with common RF power amplifier circuit topologies, such as Class-E and Class-F, which can help to further optimize its performance and efficiency.
Overall, the MRF136Y Motorola 2x RF Power Amplifier Transistor QRP Transmitter is a versatile and high-performance component that is ideal for use in low-power, high-efficiency RF power amplifier circuits for amateur radio applications. Its small size, high power output, and excellent RF performance make it a popular choice among hobbyists and amateur radio enthusiasts.
Pros of MRF136Y Motorola 2x RF Power Amplifier Transistor QRP Transmitter Amateur Radio:1. High Power Output: The MRF136Y is a dual-gate N-channel power MOSFET that can deliver up to 2 watts of RF output power, making it suitable for QRP (Low Power) applications in amateur radio.
2. Efficient: The MRF136Y is highly efficient, with a drain-source on-resistance of only 1.5 ohms, which helps to reduce heat dissipation and improve battery life.
3. Compact Size: The MRF136Y is a small-scale device, making it easy to integrate into small-sized amateur radio transmitters.
4. Low Noise Figure: The MRF136Y has a low noise figure, which means that it can transmit signals with minimal background noise.
Cons of MRF136Y Motorola 2x RF Power Amplifier Transistor QRP Transmitter Amateur Radio:1. Limited Frequency Range: The MRF136Y is designed for operation in the 2-meter amateur radio band, which may limit its use for other frequency bands.
2. Requires External Driver Circuit: The MRF136Y requires an external driver circuit to operate, which may increase the complexity of the amateur radio transmitter design.
3. Limited Current Handling: While the MRF136Y can deliver up to 2 watts of RF output power, it may not be suitable for high-power applications due to its limited current handling capacity.
Ending Conclusion:The MRF136Y Motorola 2x RF Power Amplifier Transistor QRP Transmitter Amateur Radio is a suitable option for low-power amateur radio applications. Its high efficiency, compact size, and low noise figure make it an attractive choice for QRP operators. However, its limited frequency range, requirement for an external driver circuit, and limited current handling capacity should be considered before making a purchase.
Recommendation:If you are looking for a low-power amplifier for your amateur radio transmitter, the MRF136Y is a good option to consider. However, be sure to carefully evaluate your specific requirements and consider alternative options that may better meet your needs.
Thank for looking. Its easy to am modulate for operation. New, unused spare not needed.
30 watts dual version of mrf136 Motorola build a simple qrp transmitter and make some power with this one.