FT-221
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GENERAL
| Type | Amateur VHF transceiver |
|---|---|
| Frequency range | TX: 144-148 MHz RX: 144-148 MHz (The frequency range is divided into eight 500 KHz segments) |
| Tuning steps | Continuous |
| Frequency stability | Within 100 Hz during any 30 minute period after warmup. Not more than 20 Hz with a 10% line voltage variation. |
| Mode | AM / FM / SSB / CW |
| Channels / memory management | 11 optional XTAL controlled |
| Repeater shift / offset | ±600 KHz |
| Power supply | Mains: 100 / 110 / 117 / 200 / 220 / 234 VACor 12-14.5 VDC |
| Current drain / power consumption | RX: 600 mA @ 13.8 VDC (30 VA @ mains)TX: Max 3 A @ 13.8 VDC (90 VA @ mains), at 10 W output |
| Antenna impedance / connector | 50 ohm / SO-239 |
| Dimensions (W*H*D) | 280*125*295 mm (11*4.9*11.6") |
| Weight | 8.5 Kg (18.7 lb) |
| Other features | NB. VOX. Tone burst generator (1500-2000 Hz adjustable) 100 KHz marker generator. |
RECEIVER SECTION
| Receiver system | Single conversion superheterodyne (SSB/CW) IF: 10.7 MHz Double conversion superheterodyne (FM) 1st IF: 10.7 MHz 2nd IF: 455 KHz |
|---|---|
| Sensitivity | AM: 1.0 uV (10 dB S/N) FM: 0.75 uV (20 dB QS) SSB/CW: 0.5 uV (10 dB S/N) |
| Selectivity | AM/SSB/CW 2.4 KHz (-6 dB)4.1 KHz (-60 dB) FM 12 KHz (-6 dB)24 KHz (-60 dB) |
| Image rejection | 60 dB |
| AF output power / speaker | 2 W at 10% distortion / 4 ohm |
| External speaker connector | 3.5 mm, 4 ohm |
TRANSMITTER SECTION
| RF output power | Max pwr AM:2.5 W FM:14 W SSB (PEP):12 W CW:14 W |
|---|---|
| AM | 2.5 W |
| FM | 14 W |
SSB (PEP)
| CW | 14 W |
|---|---|
| Modulation system | — |
| Max FM deviation (Factory set) | ±5 KHz |
| Spurious emissions | Better than -60 dB |
| Microphone impedance / connector | 500-600 ohm / 4-pin (Metal locking ring connector) |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | Japan, 1975-1976 (Discontinued) |
|---|---|
| Additional info | There are three versions of the FT-221, referred to as «Early», «Mid» and «Late». |
| YC-221 | Digital frequency display/counter |
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