FT-950 | Yaesu

Yaesu » FT-950

High class HF+50 MHz transceiver. Triple-conversion receiver with frequency range 0.03-56 MHz, roofing filters 15/6/3 KHz in the first IF, optional RF u-Tune preselector. Transmitter with 100 Watt max output power in ham-band. Ideated in Japan, year of introduction 2010.

Reference market : ham-radio

General :
Frequency coverage RX 0.0300 ~ 56.0000 MHz [1]
TX 1.8 MHz band
3.5 MHz band
5.1675 MHz [2]
5.2 MHz band [3]
7.0 MHz band
10 MHz band
14 MHz band
18 MHz band
21 MHz band
24 MHz band
28 MHz band
50 MHz band
Modulation mode CW / FSK (RTTY/Packet) / LSB / USB / AM / FM
Tuning step 1 / 5 / 10 / 100 Hz / 1 / 5 / 10 / 100 KHz / 1 MHz
Receiver :
Sensitivity SSB [4] 4 uV (0.5~1.8 MHz, 10dB S+N/N)
0.2 uV (1.8~30 MHz, 10dB S+N/N, preamp2 on)
0.12 uV (50~54 MHz, 10dB S+N/N, preamp2 on)
AM [4] 28 uV (0.1~1.8 MHz, 10dB S+N/N)
2.0 uV (1.8~30 MHz, 10dB S+N/N, preamp2 on)
1.0 uV (50~54 MHz, 10dB S+N/N, preamp2 on)
FM [4] 0.5 uV (28~29.7 MHz, 12dB SINAD, preamp2 on)
0.35 uV (50~54 MHz, 12dB SINAD, preamp2 on)
Selectivity CW / RTTY / Packet > 0.50 KHz (-6dB)
< 0.75 KHz (-60dB)
SSB > 2.40 KHz (-6dB)
< 3.60 KHz (-60dB)
AM > 6.0 KHz (-6dB)
< 15.0 KHz (-60dB)
FM > 15.0 KHz (-6dB)
< 25.0 KHz (-60dB)
RF preamplifier Preamp1 ~10 dB
Preamp2 ~17 dB
RF attenuator 6 / 12 / 18 dB
IF-filter ultimate attenuation [5] 80 dB
Dynamic range [5] 105 dB (20 KHz spaced signals, 14 MHz)
79 dB (2 KHz spaced signals, 14 MHz)
Blocking [5] 125 dB (100 KHz spaced signal, 14 MHz)
Synthesizer phase noise [5] -125 dBc @ 10 KHz (14 MHz)
Image rejection > 70 dB (1.8~28 MHz)
> 60 dB (50~54 MHz)
IF-shift range ± 1 KHz
Notch (Manual) Yes
Notch (Auto) Yes
CW features Spotting for zero-beating
Semi break-in / full break-in
300~1050 Hz pitch control in 50 Hz step
APF (Audio Peak Filter)
Reverse mode L/USB
Noise blanker (NB) Narrow, wide
Depth adjustable
Noise reduction (NR) Variable in 15 steps
RIT variable range ± 9.999 KHz
AGC Off, fast, mid, slow (Selectable)
Frequency stability ± 0.5 ppm max with temperature +25°C after 1' warm-up
± 1 ppm max with temperature from -10°C to +50°C after 1' warm-up
Intermediate frequency 69.450 MHz
450 KHz
30 KHz
24 KHz (AM/FM)
1° Intermediate frequency roofing filter 3 / 6 / 15 KHz
Transmitter :
Output power SSB / CW / FSK / FM 5 ~ 100 W
AM 2 ~ 25 W
Spurious emission Harmonics < -60 dB (1.8~30 MHz)
< -65 dB (50 MHz)
Spurious except harmonics < -50 dB (1.8~30 MHz)
Carrier suppression (SSB) > 60 dB
Unwanted sideband suppression (SSB) > 60 dB
Maximum deviation (FM) ± 5 / 2.5 KHz
XIT variable range ± 9.999 KHz
Microphone 600Ω
CW features 4~60 wpm keyer
RTTY features 170 / 200 / 425 / 850 Hz shift
Antenna tuner Matching impedance range 16.7 to 150Ω (1.8~50 MHz)
Tuning accuracy SWR 1.5:1
Features :
Memory 99 regular memories, up to 6 banks
5 quick memories
3 band-stack for each VFO's register
9 pairs for programmed scan limits
Display 10 Hz frequency resolution
32-segments signal meter bar
Selective calling CTCSS
Antenna 2 x SO239 50Ω connectors
Power supply 13.8 VDC
Power consumption 1.8A RX, squelch on
2.1A RX, typ
22A TX, max power
Audio power 2.5 W with an 4Ω load
Audio output Jack 6.35 mm headphone
Jack 3.5 mm external speaker
RCA line output
Connections DB-9 RS232C CAT (PC)
8-pin miniDIN (optional DMU unit)
10-pin miniDIN (optional u-Tune unit)
2 x Jack (in/out u-Tune signal)
Jack 6.35 mm (key)
Jack 3.5 mm (keypad)
RCA (PTT control)
Jack 6-pin (TNC)
Jack 8-pin (antenna tuner)
Jack 10-pin (power amplifier)
6-pin miniDIN (antenna rotator)
Mechanical and environmental data :
Operating temperature from -10°C to +50°C
Dimensions 365 (W) x 115 (H) x 315 (D) mm
Weight 9.8kg

[1] 1.8~54 MHz specified performance guaranteed
[2] USA version only, for Alaska emergency communications
[3] USA/UK version only, see following table
[4] 2400 Hz SSB bandwidth, 6.0 KHz AM bandwidth, 15.0 KHz FM bandwidth
[5] This parameter, not in official data, was obtained with direct tests

Description :

The FT950 has 0.03~56 MHz general coverage receive capability and utilizes DSP filtering incorporating features as variable bandwidth, IF shift, passband contour tuning, digital noise reduction, manual / auto notch, noise blanker. On the transmit side a three-band parametric microphone equalizer allows precise and flexible adjustment of the waveform created by operator voice. A few other features: Multi function meter for signal strenght, output RF power, ALC, SWR, final amplifier drain current, final amplifier drain voltage, speech compressor level. Block diagram display, from antenna to AGC. Graphic indicates together the contour filter, notch filter, width, shift. The FT-950 utilizes a triple band-stack VFO selection technique, which permits to store up to three favorite frequencies and modes onto each band register. CW tuning offset indicator. Split-frequency operation. Repeater operation, also with CTCSS tone. 118 menu item for extensive customization.

IF filter selection :

Mode Default Adjustable range
CW Narrow 0.5 kHz 0.1~0.5 KHz
Wide 2.4 kHz 0.5~2.4 KHz
RTTY / Packet Narrow 0.3 kHz 0.1~0.5 KHz
Wide 0.5 kHz 0.5~2.4 KHz
SSB Narrow 1.8 kHz 0.2~1.8 KHz
Wide 2.4 kHz 1.8~3.0 KHz
AM Narrow 6 kHz
Wide 9 kHz
FM Narrow 9 kHz
Wide 16 kHz

5.2 MHz band :

Channel number Frequency (USA) Frequency (UK)
1 5.332 MHz 5.260 MHz
2 5.348 MHz 5.280 MHz
3 5.368 MHz 5.290 MHz
4 5.373 MHz 5.368 MHz
5 5.405 MHz 5.373 MHz
6 - 5.400 MHz
7 - 5.405 MHz

AGC time constant :

Mode Default
* = auto selection
Selectable AGC time constant (step)
CW 0.3s FAST * OFF, 0.02~4 second (0.02s)
0.7s MID
3.0s SLOW
RTTY 0.3s FAST OFF, 0.02~4 second (0.02s)
0.7s MID
3.0s SLOW *
SSB 0.3s FAST OFF, 0.02~4 second (0.02s)
0.7s MID
3.0s SLOW *
AM 0.3s FAST * OFF, 0.02~4 second (0.02s)
0.7s MID
3.0s SLOW
FM 0.3s FAST * OFF, 0.02~4 second (0.02s)
0.7s MID
3.0s SLOW

Rear pannel and connections :


Rear pannel FT-950 Yaesu

Accessories and options :

P/N Description
MD200 High fidelty desktop microphone
MD100 Desktop microphone
YH-77STA Lightweight stereo headphone
VL/VP-1000 Power amplifier/power supply
CT-118 Power amplifier connection cable
DMU-2000 Data management unit, audio scope/oscilloscope
RF u-Tuning Kit A For 160m band
RF u-Tuning Kit B For 80/40m band
RF u-Tuning Kit C For 30/20m band
FC-40 External automatic antenna tuner
DVS-6 Voice memory unit
FH-2 Remote control keypad

Review :

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