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Número de pieza | TDA1591 | |
Descripción | PLL stereo decoder and noise blanker | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TDA1591 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
No Preview Available ! INTEGRATED CIRCUITS
DATA SHEET
TDA1591
PLL stereo decoder and noise
blanker
Product specification
Supersedes data of March 1992
File under Integrated Circuits, IC01
1996 Sep 02
1 page Philips Semiconductors
PLL stereo decoder and noise blanker
Product specification
TDA1591
FUNCTIONAL DESCRIPTION
Adapting the MPX input to the level of the FM demodulator
output is realized by the value of input resistor R1
(see Fig.3). The total gain of the stereo decoder is
applicable by varying the feedback resistors R2 and R3
(see Figs 1 and 4).
In mute position and the VCO switched off (pin 7), the
output amplifiers can be used for cassette playback,
AM stereo purpose or other signal sources.
The Stereo Noise Controller (SNC) provides a smooth
mono to stereo take-over (see Fig.5).
For High Cut Control (HCC), the de-emphasis time
constant can be changed to higher values
(see Figs 7 and 8). This function is controlled by an analog
input signal.
The noise blanking facility is achieved by gating the stereo
decoder output signal.
The interference detector generates a gating pulse
preferable forced by the level detector voltage of the IF
part.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VP
Ptot
Tstg
Tamb
Ves
PARAMETER
supply voltage (pin 5)
total power dissipation
storage temperature
operating ambient temperature
electrostatic handling; note 1
pins 1 and 16
pin 5
all other pins
MIN.
0
0
−55
−40
−400
−300
−600
Note
1. Equivalent to discharging a 200 pF capacitor through a 0 Ω series resistor.
MAX.
13.2
0.25
+150
+85
+400
+300
+600
UNIT
V
W
°C
°C
V
V
V
1996 Sep 02
5
5 Page Philips Semiconductors
PLL stereo decoder and noise blanker
Product specification
TDA1591
0
handbook, full pagewidth
∆Vo
(dB)
−2
−4
−6
−8
−10
−300
MEH034
−200
−100
control voltage V15−17 (mV)
0
Fig.8 HCC with fmod = 10 kHz.
1996 Sep 02
11
11 Page |
Páginas | Total 20 Páginas | |
PDF Descargar | [ Datasheet TDA1591.PDF ] |
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