Technical Description
- Frequency Range 144.0 MHz ~ 148.0 MHz
- Emission: AM FM SSB (LSB and USB) and CW
- Power Output:
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- SSB 12 Watts PEP
- FM, CW 14 Watts
- AM 2.5 Watts
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The frequency is set by a 500 kHz range VFO being mixed with the product of a number of crystals and is displayed using a rotary display dial.
The top of the case is removed by opening 4 quick release fasteners, revealing a number of user adjustable trimmers and pots. The modular design of the FT-221, where removable circuit boards allowed radio hams to modify their FT-221 either by replacing specific components or even replacing the whole board. One such replacement is the mutek replacement front end board which improved the front-end sensitivity. The open format of the internal construction also allowed the transmit and receive cables to be brought outside the case to use a low-noise coaxial relay.
Read more about this topic: Yaesu FT-221
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