Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
Pin No 1 2 3 4 5 6 7, 8, 9 10 11 12, 13 14 15 16 17, 18 Symbol V+ TXO TXI VDD MUTE GR ST1, ST2, ST3 STO MIC0 MIC1, MIC2 VRXI RXO1 RXO2, ROX3 Seperate amplifier output. Microphone amplifier output. Microphone amplifier inputs. Input impedance is 1.7 KΩ Negative power line. Receive amplifier input. Receive amplifier output. Receive amplifier output. Output imp.
• Adjust Sending and Receiving Attenuation Length
• Mute Function
• Side Tone Balance Network Constitution
• Low Voltage Operating
• AC Impedance Matching
• Uses in Inexpensive Components (5 Capacitors & 10 Resistors)
• Uses a minimum of external components
ORDERING INFORMATION
Device KA8503 Package 18-DIP-300A Operating Temperature - 40°C ~ + 70°C
BLOCK DIAGRAM
VDD MUTE V+ ST3 STO RXI
4
5
1
9
10
15
MIC 1 MIC 2
12 13
17 18
RXO2 RXO3
6
11
3
2
T XO
8
ST2
7
ST1
14 16
VRXO1
GR MICO TXI
Fig. 1
KA8503
LOW VOLTAGE SPEECH NETWORK
PIN CONFIGURATION
V+
1 2 3 4 5 6 7 8 9 KA8503
.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | KA8501A |
Samsung |
SPEECH NETWORK WITH DIALER INTERFACE |
|
| 2 | KA8504 |
Samsung semiconductor |
SPEECH NETWORK |
|
| 3 | KA8507B |
Samsung |
COMPANDER |
|
| 4 | KA8509 |
Samsung |
FM RECEIVER |
|
| 5 | KA8512 |
Samsung |
COMPANDOR |
|
| 6 | KA8514 |
Samsung |
FM IF RECEIVER WITH RSSI |
|
| 7 | KA8515 |
Samsung |
FM IF RECEIVER FOR FLEX PAGER |
|
| 8 | KA8516 |
Samsung |
FM IF RECEIVER FOR FLEX PAGER |
|
| 9 | KA8301 |
Samsung |
MOTOR DRIVER FOR VTR |
|
| 10 | KA8301 |
Fairchild |
Bi-Directional DC Motor Driver |
|
| 11 | KA8304 |
Samsung |
2-PHASE DD MOTOR DRIVER |
|
| 12 | KA8306 |
Samsung |
DUAL BRIDGE DRIVER |
|