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參數資料
| 型號： | 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： | 18/19頁 |
| 文件大小： | 187K |
| 代理商： | 935028240112 |
June 1994
8
Philips Semiconductors
Product specication
Quasi-split sound processor for all standards
TDA3858
V4
voltage for gain control (pin 4)
1.7
2.6
V
G
v
IF gain control
60
63
dB
B
IF bandwidth
3 dB
50
70
MHz
Resonance amplier (pins 16-17)
Vo (p-p)
vision carrier amplitude
(peak-to-peak value)
fo = 38.9 MHz
270
mV
R16-17
operating resistance
4
k
L
inductance
Figs 3 and 5
0.247
H
C
capacitance
68
pF
QL
Q-factor of resonant circuit
Qo =90
40
V16, 17
DC voltage (pins 16 and 17)
VP1 1
V
Intercarrier mixer output (pin 23)
Vo(RMS)
output signal for 5.5 MHz (RMS
value)
71
95
125
mV
output signal for 5.74 MHz
(RMS value)
32
43
56
mV
B
IF bandwidth
1 dB
6
8.5
MHz
3 dB
7
10
MHz
VVID/V23
residual video AM on intercarrier
note 2
310
%
VVC (RMS)
residual vision carrier (RMS value)
1st/2nd harmonic
(38.9/77.8 MHz)
0.5
1
mV
R23
output resistance (emitter follower)
1 mA emitter current
30
Io
allowable AC output current (pin 23)
±0.7
mA
I23
allowable DC output current
2mA
V23
DC voltage
LC-circuit at pin 16,
17 adjusted to
minimum video
content at pin 23
1.5
1.75
2.0
V
Limiting ampliers (pins 21 and 25)
vi(RMS)
minimum input signal (RMS value)
3 dB AF signal
300
450
V
maximum input signal (RMS value)
200
mV
R21, 25
input resistance
450
560
700
V21, 25
DC voltage
0
V
Vi(RMS)
level detector threshold for no muting
(RMS value, pin 25)
only 5.74 MHz
channel
0.8
1.2
1.7
mV
Vi
hysteresis of level detector
4
7
12
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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