HF transceiver providing up to 100 Watts power output in CW, SSB, FM, RTTY and Packet modes, and up to 25 Watts in AM mode. The receiver tunes between 100 kHz and 30 MHz in 10 Hz steps. Low noise front-end, five IF filters, IF shift and notch, dual tunable AF switched capacitance filter (SCF), DDS synthesizer, separate receive-only antenna jack, one-touch band selection. An automatic antenna tuner and Iambic keyer are built-in, the radio comes with or without (FT-990DC) power supply. Ideated in Japan, year of introduction 1991.
Reference market : amateur-radio
FT-990 specifications
General |
Frequency coverage | |
---|---|
Receive | 0.1000 ~ 30.0000 MHz |
Transmit | 1.2000 ~ 2.0000 MHz [1]
3.5000 ~ 4.0000 MHz 7.0000 ~ 7.5000 MHz 10.0000 ~ 10.5000 MHz 14.0000 ~ 14.5000 MHz 18.0000 ~ 18.5000 MHz 21.0000 ~ 21.5000 MHz 24.5000 ~ 25.0000 MHz 28.0000 ~ 29.7000 MHz |
Mode | |
CW / FSK / LSB / USB / AM / FM | |
Tuning step | |
10 / 100 Hz / 1 kHz
100 kHz / 1 MHz (up/down keys) |
Receiver |
Sensitivity | |
---|---|
CW / SSB | <4 uV (0.1~0.25 MHz, 10dB S/N)
<1 uV (0.25~0.5 MHz, 10dB S/N) <2 uV (0.5~1.8 MHz, 10dB S/N) <0.25 uV (1.8~30 MHz, 10dB S/N) |
AM | <10 uV (0.1~0.25 MHz, 10dB S/N)
<2 uV (0.25~0.5 MHz, 10dB S/N) <4 uV (0.5~1.8 MHz, 10dB S/N) <1 uV (1.8~30 MHz, 10dB S/N) |
FM | <0.5 uV (28~29.7 MHz, 12dB SINAD) |
Selectivity | |
CW / RTTY [2] | 240 Hz (-6dB)
700 Hz (-60dB) |
CW / RTTY / Packet [3] | 500 Hz (-6dB)
1800 Hz (-60dB) |
SSB [4] | 1.8 kHz (-6dB)
3.6 kHz (-60dB) |
SSB / AM-N | 2.2 kHz (-6dB)
4.0 kHz (-60dB) |
AM-W | 6 kHz (-6dB)
15 kHz (-60dB) |
RF attenuator | |
20dB | |
Image rejection | |
> 80dB (1.8~30 MHz) | |
IF rejection | |
> 80dB (1.8~30 MHz) | |
IF-shift range | |
±1.2 kHz | |
Notch filter | |
Manual | Yes |
NB (Noise Blanker) | |
Yes (level adjustable) | |
RIT (Receiver Incremental Tuning) | |
±9.99 kHz | |
AGC (Automatic Gain Control) | |
Fast, slow, off, auto | |
Frequency stability | |
± 10ppm max with temperature from -10°C to +50°C (except FM).
± 200Hz max with temperature from -10°C to +50°C (FM). ± 0.5ppm max with temperature from -10°C to +50°C (except FM) [5]. ± 150Hz max with temperature from -10°C to +50°C (FM) [5]. |
|
IF (Intermediate Frequency) | |
1° | 47.21 MHz |
2° | 10.94 MHz |
3° | 455 kHz |
Squelch sensitivity | |
CW / SSB / AM | <2 uV (1.8~30 MHz) |
FM | <0.32 uV (28~30 MHz) |
CW features | |
Pitch sidetone (400/500/600/700 Hz) |
Transmitter |
Output power | |
---|---|
CW / SSB / FSK / FM | 100 W max |
AM | 25 W max |
Spurious emission | |
Harmonics | <-50dBc |
Carrier suppression (SSB) | |
>40dB | |
Unwanted sideband suppression (SSB) | |
>50dB | |
Intermodulation products (SSB) | |
<-36dBc (14.2 MHz, 100W PEP) | |
Maximum deviation (FM) | |
± 2.5 kHz | |
Audio response | |
400~2600 Hz (-6dB, SSB) | |
Microphone | |
500~600Ω | |
XIT (Transmitter Incremental Tuning) | |
±9.99 kHz | |
CW features | |
Semi break-in
Full break-in Keyer |
|
FSK features | |
Packet shift (200/1000 Hz)
RTTY shift (170/425/850 Hz) RTTY low-tone (2125/1275 Hz) |
|
Antenna tuner | |
Impedance range | 16.5 ~ 150Ω |
Features |
Memory | |
---|---|
90 regular memories | |
Display | |
10 or 100 Hz frequency resolution | |
Selective calling | |
CTCSS 88.5Hz | |
Antenna | |
SO239 50Ω
2 x RCA 50Ω (RX in/out) |
|
Power supply | |
100~117 or 200~234 VAC
13.1~15.2 VDC [6] |
|
Power consumption | |
65VA RX
470VA TX (100 W output) |
|
Audio power | |
2 W on 4Ω | |
Audio output | |
Jack 6.35 mm (headphone) | |
Connections | |
Jack 3.5 mm (external speaker, 4~16Ω)
2 x Jack 6.35 mm (key) RCA (ALC) RCA (PATCH-IN) RCA (AF-OUT @ 100mV) 4-pin DIN (RTTY) 5-pin DIN (PACKET) 6-pin DIN (CAT / Computer) 7-pin DIN (DVS-2 digital recorder) 8-pin DIN (BAND-DATA) 8-pin DIN (REMOTE) 8-pin jack (Mic) |
Mechanical and environmental data |
Dimensions | |
---|---|
368 (W) x 129 (H) x 370 (D) mm | |
Weight | |
13 kg |
- 1.810~1.850 MHz or 1.830~1.850 MHz in some versions.
- With optional XF-455K-251-01 8-poles filter.
- Optional on the FT-990DC version.
- With optional XF-10.9M-202-01 8-poles filter.
- With optional TCXO-2 unit.
- FT-990DC version, not include the AC power supply.
Kenwood FT-990 rear panel and connections
FT-990 power amplifier schematic diagram :
Kenwood FT-990 power amplifier schematic diagram:
100 Watt with 2 x 2SC2879 transistors in the PA and 2 x 2SC3133 transistors in the driver stage
FT-990 price
We have collected for your convenience the Yaesu FT990 sale price (US Dollar) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.
Price | Date | Condition |
USD 700.00 (595EUR) |
2021-oct |
Second Hand FT-990DC version. With the 500 Hz CW filter fitted |
USD 569.95 | 2020-aug |
Second Hand In good condition. Has INRAD SSB filter, Yaesu 250 Hz CW filter, TCXO-2 high stability option, YM-35 hand mic, AC cord, original manuals |
USD 890.00 (699GBP) |
2019-jan |
Second Hand FT-990DC version. Comes with hand mic, power lead, antenna tuner |
USD 599.95 | 2016-jan |
Second Hand In good condition. Has INRAD 2kHz filter and original owner's manual |
FT-990 review
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