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TECHNICAL SPECIFICATION
TECHNIAL DESCRIPTION
TUNER using SI4705
GENERAL PART
WAVE RANGE
FM
87.5 - 108.00 MHz (12/05/79)
NC
AERIAL
FM
:
75 OHM ANT
MW
:
NC
INDICATORS LCD DISPLAY
ELECTRICAL DATA
A.M
Amplification Reverse
AGC Figure of Merit
Distortion ( RF 50mV, M 80% )
IF
Wave Range
Nom.
MW 600 kHz
Nom.
MW 1400 kHz
Nom.
FM 98 MHz
Nom
Limit
/
/
/
/
/
/
/
/
Noise Limited Sensitivity 26 dB
1500uV/M
4000uV/M
Lim.
1500uV/M
4000uV/M
Lim.
18dBf
22dBf
Lim.
1-5
TOLERANCE
Quartz Precision
Unit
F.M.
- 3 dB Limiting Point
dB
Amplification Reverse
dB
Distortion ( RF 1mV, Frq Dev.75 kHz )
%
Stereo - 46 dB Quieting
kHz
Crosstalk (RF1mV, Freq Dev.40kHz )
IF
IF Rejection
Search tuning
sensitivity dBf
/
/
/
/
22 dBf
35 dBf
TUNING GRID
50KHZ
Nom
Limit
:
17
:
0
:
2
:
46
:
25
/
Large Signal
S3 / S9 / 300kHz
dB
/
/
/
/
/
/
/
/
/
116 dBf
/
108 dBf
Unit
23.5
dBf
-4
dB
3
%
49
dBf
18
dB
/
MHz
Selectivity
dB
/
/
/
/
30
25
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