Kenwood TS-890S Operation Manual - Page 195

RX sensitivity drops in the vicinity of the 1st IF frequency 8.248 MHz due to IF trapping.

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Circuit type Intermediate frequency Sensitivity (Typical) Squelch sensitivity Image Rejection Ratio If Rejection Ratio Selectivity RIT variable range Notch filter attenuation Beat cancel attenuation Audio output Audio output impedance 1st IF 2nd IF SSB/ CW/ FSK/ PSK (S/N 10 dB) AM (S/N 10 dB) FM (12 dB SINAD) SSB/ CW/ FSK/ PSK/ AM FM SSB CW/ FSK/ PSK AM FM Receiver Double Superheterodyne 8.248 MHz 24 kHz (except FM), 36 kHz (FM) 0.5 μV (0.13 to 0.522 MHz) 4 μV (0.522 to 1.705 MHz) 0.2 μV (1.705 to 24.5 MHz) 0.13 μV (24.5 to 30.0 MHz) 0.13 μV (50.0 to 54.0 MHz) 0.13 μV (70.0 to 70.5 MHz) 6.3 μV (0.13 to 0.522 MHz) 31.6 μV (0.522 to 1.705 MHz) 2 μV (1.705 to 24.5 MHz) 1.3 μV (24.5 to 30.0 MHz) 1.3 μV (50.0 to 54.0 MHz) 1.3 μV (70.0 to 70.5 MHz) 0.22 μV (28.0 to 30.0 MHz) 0.22 μV (50.0 to 54.0 MHz) 0.22 μV (70.0 to 70.5 MHz) 5.6 μV or less (0.13 to 0.522 MHz) 18.0 μV or less (0.522 to 1.705 MHz) 1.8 μV or less (1.705 to 30 MHz) 1.1 μV or less (50.0 to 54.0 MHz) 1.1 μV or less (70.0 to 70.5 MHz) 0.2 μV or less (28.0 to 30.0 MHz) 0.2 μV or less (50.0 to 54.0 MHz) 0.2 μV or less (70.0 to 70.5 MHz) 70 dB or more (HF), 60 dB or more (50/ 70 MHz) 70 dB or more 2.6 kHz or more (-6 dB), 4.4 kHz or less (-60 dB) 500 Hz or more (-6 dB), 1.2 kHz or less (-60 dB) 6.0 kHz or more (-6 dB), 12.0 kHz or less (-50 dB) 12.0 kHz or more (-6 dB), 25.0 kHz or less (-50 dB) ±9.999 kHz 70 dB or more 40 dB or more 1.5 W or more (8 Ω) 4 Ω to 8 Ω ● Electronic specifications apply only to amateur bands. ● RX sensitivity drops in the vicinity of the 1st IF frequency (8.248 MHz) due to IF trapping. ● Specifications are subject to change without notice due to advancements in technology. OTHERS 19 19-3

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Receiver
Circuit type
Double Superheterodyne
Intermediate frequency
1st IF
8.248 MHz
2nd IF
24 kHz (except FM), 36 kHz (FM)
Sensitivity (Typical)
SSB/ CW/ FSK/ PSK (S/N
10
dB)
0.5 μV (0.13 to 0.522 MHz)
4 μV (0.522 to 1.705 MHz)
0.2 μV (1.705 to 24.5 MHz)
0.13 μV (24.5 to 30.0 MHz)
0.13 μV (50.0 to 54.0 MHz)
0.13 μV (70.0 to 70.5 MHz)
AM (S/N 10 dB)
6.3 μV (0.13 to 0.522 MHz)
31.6 μV (0.522 to 1.705 MHz)
2 μV (1.705 to 24.5 MHz)
1.3 μV (24.5 to 30.0 MHz)
1.3 μV (50.0 to 54.0 MHz)
1.3 μV (70.0 to 70.5 MHz)
FM (12 dB SINAD)
0.22 μV (28.0 to 30.0 MHz)
0.22 μV (50.0 to 54.0 MHz)
0.22 μV (70.0 to 70.5 MHz)
Squelch sensitivity
SSB/ CW/ FSK/ PSK/ AM
5.6 μV or less (0.13 to 0.522 MHz)
18.0 μV or less (0.522 to 1.705 MHz)
1.8 μV or less (1.705 to 30 MHz)
1.1 μV or less (50.0 to 54.0 MHz)
1.1 μV or less (70.0 to 70.5 MHz)
FM
0.2 μV or less (28.0 to 30.0 MHz)
0.2 μV or less (50.0 to 54.0 MHz)
0.2 μV or less (70.0 to 70.5 MHz)
Image Rejection Ratio
70 dB or more (HF), 60 dB or more (50/ 70 MHz)
If Rejection Ratio
70 dB or more
Selectivity
SSB
2.6 kHz or more (-6 dB), 4.4 kHz or less (-60 dB)
CW/ FSK/ PSK
500 Hz or more (-6 dB), 1.2 kHz or less (-60 dB)
AM
6.0 kHz or more (-6 dB), 12.0 kHz or less (-50 dB)
FM
12.0 kHz or more (-6 dB), 25.0 kHz or less (-50 dB)
RIT variable range
±9.999 kHz
Notch filter attenuation
70 dB or more
Beat cancel attenuation
40 dB or more
Audio output
1.5 W or more (8 Ω)
Audio output impedance
4 Ω to 8 Ω
●
Electronic specifications apply only to amateur bands.
●
RX sensitivity drops in the vicinity of the 1st IF frequency (8.248 MHz) due to IF trapping.
●
Specifications are subject to change without notice due to advancements in technology.
OTHERS
19
19-3