參數(shù)資料
型號(hào)： 935028240112
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO DEMODULATOR, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù)： 19/19頁
文件大?。?/td> 187K
代理商： 935028240112
June 1994
9
Philips Semiconductors
Product specication
Quasi-split sound processor for all standards
TDA3858
Tracking Automatic Frequency Control (AFC) of the vision carrier reference circuit
V0 19
tracking output voltage (pin 19)
note 3
VP1 3.3
VP1 1V
FTR
tracking reducing factor for
black picture
9
white test picture
4
50% grey picture
6
S
AFC steepness (open loop) for
black picture
8
mV/kHz
white test picture
3
mV/kHz
50% grey picture
5.5
mV/kHz
FM1 and FM2 demodulators
Measurements with FM IF input signals of 5.5 MHz and 5.74 MHz with Vi IF (RMS) = 10 mV (fmod = 1 kHz, deviation
f = ±50 kHz) at pins 21 and 25 without ceramic lters, RS =50 .
De-emphasis 50
s and V6 = VP1 (B/G standard).
QL-factor = 11 for resonant circuits at pins 8-9 and 12-13 (including IC).
VIC(RMS)
intercarrier signals
(RMS values, pins 8-9 and 12-13)
100
mV
V
DC voltage (pins 8, 9, 12 and 13)
1.8
V
Vo(RMS)
AF output signals
(RMS values, pins 10 and 11)
0.84
0.95
1.07
V
o
difference of AF signals between
channels (pins 10 and 11)
note 4
1dB
R10, 11
output resistance
75
100
130
V10, 11
DC voltage
1.8
2.1
2.4
V
I10, 11 (M)
allowed AC current of emitter output
(peak value)
note 5
±1.5
mA
I10, 11
maximum allowed DC output current
2mA
THD
total harmonic distortion
0.5
1.0
%
Vo(RMS)
AF output signal (RMS value)
THD = 1.5%
1.25
V
α
AM
AM suppression
1 kHz; m = 0.3
48
54
dB
S/N(W)
weighted signal-to-noise ratio
CCIR468-3
64
68
dB
B
AF bandwidth (
3 dB)
lower limit
20
Hz
upper limit
100
kHz
α
CR
crosstalk attenuation (pins 10-11)
60
70
dB
V7
adjustment voltage for AF2
note 6
minimum output
signal
0
V
maximum output
signal
5
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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