BA1604

更新时间： 2024-11-22 22:39:23

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BA1604 技术参数

Communication ICs

PLL tone decoder IC

BA1604 / BA1604F

The BA1604 and BA1604F are tone decoder ICs that enable the frequency to be selected in precise detail, using a PLL

system. These ICs are configured of a PLL circuit, a detection circuit, a voltage comparator circuit and an output logic

drive circuit.

When the input signal is within the transmission range of the circuit, PLL is synchronized (locked) to the input signal.

At this point, the output voltage of the decoder drops, and the change turns on the transistors for the voltage comparator

and output logic drive circuits. A load of up to 100mA can be driven.The center frequency (f⁰) of the decoder is set by

the mobile oscillation frequency of the current control oscillator. This frequency is determined by selecting a CR con-

nected to Pins 5 and 6.

FApplications

Telephones

Data communication systems

Remote control systems

FFeatures

1) The detection bandwidth can be varied independent-

ly between 0 and 14%.

5) Frequency can be changed over a range of 20 : 1 us-

ing an external resistor.

2) The output circuit can withstand a load current of up

to 100mA, and is directly coupled to the logic circuit.

3) The center frequency offers a high level of stability.

4) High out-of-band signal and noise rejection capabili-

ty.

6) Compatible with EXAR XR-567 and Signetics

NE567.

FBlock diagram

212

12 3 4 5

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型号	品牌	获取价格	描述	数据表
BA1604-DX	ROHM	获取价格	Tone Decoder Circuit, PDIP8, DIP-8
BA1604F	ROHM	获取价格	PLL tone decoder IC
BA1604F-DX	ROHM	获取价格	Tone Decoder Circuit, PDSO8, SOP-8
BA1604F-DXE1	ROHM	获取价格	Tone Decoder Circuit, PDSO8, SOP-8
BA1604F-DXE2	ROHM	获取价格	Tone Decoder Circuit, PDSO8, SOP-8
BA1604F-DXT1	ROHM	获取价格	Tone Decoder Circuit, PDSO8, SOP-8
BA1604F-DXT2	ROHM	获取价格	Tone Decoder Circuit, PDSO8, SOP-8
BA1604FE1	ROHM	获取价格	TELECOM, TONE DECODER CIRCUIT, PDSO8, SOP-8
BA1604F-E1	ROHM	获取价格	Tone Decoder Circuit, PDSO8, SOP-8
BA1604FE2	ROHM	获取价格	TELECOM, TONE DECODER CIRCUIT, PDSO8, SOP-8