Kenwood TS-440S Serivce Manual page 115

YK-88S/SN,YK-88C/C N
FILTER
YK-88S
Item Ratin g
Nominal center frequency 8830 kH z
Center frequency deviation
Within +150 Hz at 6 d B
Pass bandwidth +1 .2 kHz or more at 6 d B
Attenuation bandwidth
+1 .5 kHz or more at 6 d B
+2 .2 kHz or less at 60 d B
+3 .0 kHz or less at 80 d B
Ripple
20 dB or les s
Insertion loss
6-dB or les s
Guaranteed attenuation 80 dB or more withi n
+3 kHz or 1 MH z
Input and output impedance 600 12/!15 pF
Table 1 SSB crystal filter YK-88 S
(L71-0208-05) Optio n
YK-88SN
Item
Ratin g
Center frequency fo
8830 MH z
Center frequency deviation
8830 kHz +150 Hz at 6 d B
6 dB bandwidth
+900 Hz or mor e
60 dB bandwidth
+ 1800 Hz or les s
Guaranteed attenuation
80 dB or more withi n
fo+2 .5 kHz to +1 MH z
Ripple
2 dB or les s
Insertion loss
3 dB+2 d B
Input and output impedance
600 Sl y 15 pF
Table 2 SSB crystal filter YK-88S N
(L71-0220-05F) Option
YK-88C
Item
Ratin g
Center frequency fo 8830 .7 kH z
Center frequency deviation
fo+150 Hz at 6 d B
6 dB bandwidth
+250 Hz or mor e
60 dB bandwidth
±900 Hz or les s
Ripple
2 dB or les s
Insertion loss
6 dB+2 d B
Guaranteed attenuation
80 dB or more withi n
fo+2 kHz to +1 MH z
Input and output impedance 600 52/15 p
Table 3 CW crystal filter YK-88 C
(L71-0211-05) Optio n
YK-88CN
Item Ratin g
Center frequency fo 8830 .7 kH z
Center frequency deviation fo+50 Hz at 6 d B
6 dB bandwidth +125 Hz or mor e
60 dB bandwidth +600 Hz or les s
Ripple 2 dB or les s
Insertion loss 8 dB+2 d B
Guaranteed attenuation 80 dB or more withi n
fo +2 kHz to +` MH z
Input and output impedance
600 S2%15 p F
Table 4 CW crystal filter YK-88C N
(L71-0221-05) Optio n