Philips BT2500B/W-00, Service Manual

Page: 15 / 32

TECHNICAL SPECIFICATION
1-14
AM Electronic Data( N/A)
General measuring conditions:
(if not otherwise indicated)
Modulation : 30 %
Modulation frequency : MW & SW : 1000 Hz;
Band-pass filter : 300 – 15,000 Hz
Item Nom Limit unit Remark
Tuner range
Low 531/530 - kHz
High 1602/1700 - kHz
-26dB Noise Limited Sensi ti vity
603/600kHz 1300 3250 uV/m
999/1000kHz 1300 3250 uV/m
1404/1400kHz 1300 3250 uV/m
Automatic Gain Control(AGC)
603/600kHz 30 25 dB
999/1000kHz 30 25 dB
1404/1400kHz 30 25 dB
Selec ti vity 9/10K kHz
603/600kHz 25 20 dB
999/1000kHz 25 20 dB
1404/1400kHz 25 20 dB
IF Rejec ti on 531/530kHz 28 24 dB
Image Rejec ti on 1602/1700 32 28 dB
Spurious response rejection
ratio.
603/600kHz 32 28 dB
1404/1400kHz 32 28 dB
Overall Frequency Response(60Hz~1.6KHz) ±3 dB
According acous ti c
spec.
Distor ti on ( RF 50mV/m,Mod=80%Frq=1KHz ) 3 5 %
Large Signal Handling
603/600kHz 1 0.5 V/m
999/1000kHz 1 0.5 V/m
1404/1400kHz 1 0.5 V/m
S/N Ra ti o 45 40 dB
Channel unbalance 1000Hz 2 dB
Modula ti on Hum 50 45 dB
Search tuning sensi ti vity
α

dB ± 10 dB
Search ti me digital tuning system 60 S