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15-3
DD
Receiver
• Receive system : Double conversion superheterodyne system
• Intermediate frequencies :
1st 64.455 MHz
2nd 36 kHz
• Sensitivity (typical) :
SSB, CW, RTTY (BW=2.4 kHz, 10 dB S/N)
0.100000– 1.799999 MHz 0.5 µV
(pre-amp 1 ON)
1.800000–29.990000 MHz 0.16 µV
(pre-amp 1 ON)
50.000000–54.000000 MHz 0.13 µV (pre-amp 2 ON)
AM (BW=6 kHz, 10 dB S/N)
0.100000– 1.799999 MHz 6.3 µV (pre-amp 1 ON)
1.800000–29.990000 MHz 2 µV (pre-amp 1 ON)
50.000000–54.000000 MHz 1 µV (pre-amp 2 ON)
FM (BW=15 kHz, 12 dB SINAD)
28.000000–29.990000 MHz 0.5 µV (pre-amp 1 ON)
50.000000–54.000000 MHz 0.32 µV
(pre-amp 2 ON)
• Internal Modulate Distortion (typical) : Dynamic range 105 dB
(at 14.100 MHz, 100 kHz separation, pre-amp OFF,
CW mode; BW=500 Hz)
• Selectivity :
SSB, RTTY (BW=2.4 kHz) More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
CW (BW=500 Hz) More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
AM (BW=6 kHz) More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
FM (BW=15 kHz) More than 12.0 kHz/–6 dB
Less than 20.0 kHz/–60 dB
• Spurious and image rejection ratio : More than 70 dB (except IF through on 50 MHz band)
• Squelch sensitivity (pre-amp OFF) :
SSB, CW, RTTY, PSK31 Less than 5.6 µV
FM Less than 1 µV
• RIT variable range : ±9.999 kHz
• Audio output power : More than 2.6 W at 10% distortion with an 8 Ω load
• PHONES connector : 3-conductor 6.35 (d) mm (
1
⁄4″)
• EXT-SP connectors : 2-conductor 3.5 (d) mm (
1
⁄8″)/8 Ω
DD
Antenna tuner
• Matching impedance range : 16.7 to 150 Ω unbalanced
(HF bands; VSWR better than 3:1)
20 to 125 Ω unbalanced
(50 MHz band; VSWR better than 2.5:1)
• Minimum operating input : 8W (HF bands)
15 W (50 MHz band)
•Tuning accuracy : VSWR 1.5:1 or less
• Insertion loss (after tuning) : Less than 1.0 dB
15
SPECIFICATIONS AND OPTIONS
*The LCD display may have cosmetic imperfections that appear as small or dark spots. This is not a malfunction
or defect, but a normal characteristic of LCD displays.
Spurious signals may be received near the following frequencies. These are made in the internal circuit and does
not indicate a transceiver malfunction.
• 0.150 MHz • 10.490 MHz
Spurious waveforms may be displayed on the spectrum scope screen regardless of the transceiver’s condition
(Tx or Rx). They are made in the scope circuit. This does not indicate a transceiver malfunction.
All stated specifications are typical and subject to change without notice or obligation.