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| NO | TEST ITEM | TEST TERMINAL | LIMIT | TEST CONDITION | TEST INSTRUMENT |
| 1 | INDUCTANCE | 1-2=3-4 | 3.0H MIN | 250HZ 0.5V PARALLEL | CD1063 |
| 2 | DCR | 1-2 | 130 0HM+15% | 25C | CD1063 |
| 3 | IMPEDANCE | 3-4 | 150 0HM+15% | 25C | CD1063 |
| 4 | TURN RATION | 1-2 | 600 OHM | 3-4,1KHZ,346,0HM LOAD | CD1063 |
| 5 | PRI-SEC | 1-2:3-4 | 1:1+2% | 10KHZ 1V | CH3250 |
Product Description
Permalloy Nickel Steel Sheet ED8 5H 8H 12H Audio Isolation Transformer Audio Signal Isolator
1.Audio transformer
Audio transformer is a transformer that works in the audio range, also known as low-frequency transformer. Operating frequency range - generally from 10-20000Hz. It is often used to change the impedance of a voltage or load. It is used as a voltage amplifier and power output component in automatic control circuits such as radio communication and broadcast television.
2.Audio transformers can be divided into three categories according to their position in the electronic circuit.
The output transformer is connected between the output circuit and the load;
The input transformer is connected between the signal source and the amplifier input;
The interstage transformer connected between the upper level output circuit and the lower level input circuit is called.
3. Application:
Audio transformers cannot replace electronic audio signal amplifiers. This is the main difference between the two. Audio transformer is suitable for electric car alarm, telephone, radio, bell, buzzer, bird call doorbell and other products drive buzzer, sound loud and crisp.
4.Optical Characteristics:
