Philips AZD102/61/79/96/12, Руководство по обслуживанию, Страница: 3 / 23

1-2
TECHNICAL SPECIFICATION
TUNER PART
TECHNICAL description:
AM (circuitry) FMAM (active components) FM
RF Si4831-B30 Si4831-B30 1
IF Si4831-B30 Si4831-B30 2
Detector 3
Decoder 4
GENERAL part:
WAVE RANGE TOLERANCES TUNING STEP
5
FM (05/ 79 version) 87.5 –108MHZ
N.C
50K 6
FM (12 version) 87.5----108MHZ N.C 50K 7
AERIAL:
FM telescope : 430
mm
11
FM wire :
N/A
Execution -
N/A
12
INDICATORS:
Pointer stroke: Execution pointer: 13
Knob indication over: Field Strength: 14
ELECTRICAL DATA:
AM: Nom. limit FM: nom. limit
AM Suppression 30 25 dB 15
-3dB limiting point 12 18 dBuV 16
Amplification reserve Amplification reserve 2 +/-2 dB 17
AGC figure of merit BAFC holding range (average) 300 +/- 150 18
Distortion (RF 74 to 94 dBuV/m,
m=80%)
7Distortion
(RF 32 to 72 dBuV,
mono ' f 100kHz, Stereo : 90% + 9%)
5 7 % 19
Stereo -46dB quieting 40 44 dBuV 20
Cross-talk (RF 1mV, ' f 40kHz,
400Hz /1kHz / 5kHz)
21/25/18 18/20/15 dB 21
Strong S/N radio
RF 94dBuV/m, m=80%
S/N radio (A-Weighted, RF 4mV) 53 50 dBA 22
Channel difference Channel unbalance (250Hz to 6300Hz) 0 3 dB 23
Modulation hum (30% mod) Modulation hum (22.5kHz dev) 44 40 dB 24
2, 3th IF harmonics rejection
(RF 64 to 94dBuV/m)
8, 9,10
th
harmonics whistle 35 30 dB 25
Overall frequency response (-
3dB)
Overall frequency response (+/- 3dB, 1kHz ref)
- 50us 70
9k
80 Hz
10k Hz
26
Oscillator stop voltage
120V setting
230V setting
Oscillator stop voltage
120V setting
230V setting
90
190
96 Vac
192 Vac
27
Search tuning sensitivity / N/A
Search tuning sensitivity
/ N/A 28
Search tuning stop accuracy
RF t D 26 to 1mV
RF t 1V/m
/
/
/
/
N/A
Search tuning stop accuracy
- 20uV ~ 20mV
- 20mV ~ 500mV with step size = 50kH
- 20mV ~ 500mV with step size > 50kHz
/
/
/
N/A
29
Search time of total tuning range / N/A Search time of total tuning range N/A 30
IF IF 31
Dial calibration Dial calibration 33
Stereo On point (Pilot deviation : 6kHz) 34
35
wave range Sensitivity for
50mW
noise limited sensitivity
(26dB)
Image
rejection
IF rejection large
signal
Selectivity
S9/300kHz
ban3
dB
FM
nom. 13 21 55 126dBf 21 36
lim. 15 19 50 125dBf 19 37
nom.
lim.
unit
P V/m P V
dBf
dB P V/m
dBuV dB dB dB mV/m dB kHz