Philips AZD1755 - Page 6

TUNER PART
TECHNICAL description:
(circuitry) FM (active components) FM
RF
SI4831 SI4831
1
IF
SI4831 SI4831
2
Detector
QD
3
Decoder
SI4831
4
GENERAL part:
WAVE RANGE TOLERANCES TUNING
5
FM 87.5MHz - 0.3 MHz 1MHz 6
108MHz + 0.5 MHz 1MHz 7
8
9
10
AERIAL:
FM telescope - 540 mm 12
FM wire : N/A Execution - Rotational 180q 13
INDICATORS:
Pointer stroke: Execution pointer: 14
Knob indication over: Field Strength: 15
ELECTRICAL DATA:
AM: nom. limit FM:
nom.
limit
16
-3dB limiting point
20 26 dBf
17
Amplification reserve
0 -4 dB
18
AFC holding range
-
19
Distortion (RF 1mV, 'f 67.5kHz)
1 7 %
20
Stereo -46dB quieting
48 52
21
22
Cross-talk (RF 1mV, 'f 40kHz,
1kHz)
25 20 dB
23
IF 24
wave range Sensitivity for
50mW
noise limited sensitivity
(26dB)
Image
rejectio
n
IF
rejectio
n
large
signal
FM
nom.
18 24 55 122dB
f
25
lim.
22 20 50 111dB
f
26
27
28
29
30
31
unit
PV/m
PV
dBf
dBPV/m
dBf dB dB dB
mV/m
5
10
TECHNICAL SPECIFICATION
1-5