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PDF KA22296 Data sheet ( Hoja de datos )
| Número de pieza | KA22296 | |
| Descripción | Playback / Recoder Pre Amplifie for Double Deck | |
| Fabricantes | SEC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KA22296 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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KA22296
DOUBLE DECK SYSTEM FOR RADIO CASSETTE
PLAYBACK / RECORD PRE AMPLIFIER
FOR DOUBLE DECK
KA22296 is a monolithic intergrated circuit consisting of
a dual input playback amplifier, two channel recording
amplifier, 3 outside input selecting switch, and MIC Amp.
Due to KA22296 possessing MIC input mixing function,
it is practical to apply to systems like CD and radio cassette set.
30-SDIP-400
ORDERING INFORMATION
Device
KA22296
Package
30-SDIP-400
Operating Temperature
-25°C ~ +75°C
FEATURES
• Dual input two - channel playback amplifier.
• Recording / Playback function
• Tape dubbing function
• NAB EQ ( 60us) for High speed recording function
• Allowing 3 ( Line 1, Line 2 and AUX ) outside inputs
• MIC function ( Independent and mixture )
• ALC function
• Operating voltage ( 4V ~ 10V ) : recommended voltage 6 ~ 9 Volt
30 SDIP
1 page  
KA22296
DOUBLE DECK SYSTEM FOR RADIO CASSETTE
PIN DESCRIPTION
No. Symbol
1/4 A - input
I/O
Playback Amplifier
A - input
2/3
B - input
Playback Amplifier
B-input
Internal Equivalance Circuit
VCC
1/4
27/30
GND
VCC
5
6
7
8/11
9/12
10/3
GND
VREF
GND
-
Reference Voltage
2/3
27/30
GND
VCC
VCC
LINE1
input
LINE2
input
AUX
input
Supply Voltage
LINE 1
External Input
Terminal
-
LINE2
External Input
Terminal
AUX
External Input
Terminal
10/13
9/12
8/11
6
GND
30§Ú
30§Ú
30§Ú
VCC
GND
5 Page 
KA22296
DOUBLE DECK SYSTEM FOR RADIO CASSETTE
3. Head Connection Method
3-1 Tape Head connecting method
By the virtue of NAB amplifier’s input construction layout of this product, the input voltage bias is
systemised to be supplied from an outside source and head’s connection follow below
constructed plan / layout’s style.
2
3
*N
1
46
15 16
+
PRH
7 21 23
REC
++
VCC
OSC
+
+
Fig 3 - 1
In employing record
signal, the A/B switch
input of pin 16 must be turned into B deck
mode. ( It only applies to the above situation ). To suite the user’s conviences A and B’s extremeties
are designed to be replaced. If the record OSC’s ingredients exist in play back input, it will have
damaging effect within the KA22296. That is why precautions are neccessary. And within recording output
pin the ALC DET is internally connected, if recording AC bias appears in this terminal the ALC moves
distortly, use the trap to make the recording output terminal bias as small as possible and choose the
appropriate OSC frequency for the trap. Also at the play mode, since the recording termina’ls output
D.C is bound by 2.1V and abandon it.
N : Use/ apply the above switch if OSC frequency find within record mode at the system for mation.
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet KA22296.PDF ] | |
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