FT-990

Specifications    Prices

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
Receive0.1000 ~ 30.0000 MHz
Transmit1.2000 ~ 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-N2.2 kHz (-6dB)
4.0 kHz (-60dB)
AM-W6 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
ManualYes
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)
47.21 MHz
10.94 MHz
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 / FM100 W max
AM25 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 range16.5 ~ 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. 1.810~1.850 MHz or 1.830~1.850 MHz in some versions.
  2. With optional XF-455K-251-01 8-poles filter.
  3. Optional on the FT-990DC version.
  4. With optional XF-10.9M-202-01 8-poles filter.
  5. With optional TCXO-2 unit.
  6. FT-990DC version, not include the AC power supply.
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FT-990 rear panel and connections :

Kenwood FT-990 rear panel and connections
Kenwood FT-990 rear panel and connections

FT-990 power amplifier schematic diagram :

Kenwood 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 (Euro) 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
EUR 595.00 2021-oct Second Hand

FT-990DC version. With the 500 Hz CW filter fitted

EUR 489.00
(569USD)
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

EUR 785.00
(699GBP)
2019-jan Second Hand

FT-990DC version. Comes with hand mic, power lead, antenna tuner

EUR 533.00
(599USD)
2016-jan Second Hand

In good condition. Has INRAD 2kHz filter and original owner's manual

FT-990 review

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