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LS1691BM - FM/AM RADIO CIRCUIT

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Description

The LS1691BM is a one-chip FM/AM radio IC designed for radio -cassette tape recorders and headphone tape recorders.

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Part number LS1691BM
Manufacturer LIGHTNING Semiconductor
File Size 263.24 KB
Description FM/AM RADIO CIRCUIT
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    LIGHTNING Semiconductor Devices LS1691BM FM/AM RADIO CIRCUIT DESCRIPTION The LS1691BM is a one-chip FM/AM radio IC designed for radio -cassette tape recorders and headphone tape recorders. Outline Drawing FEATURE l Small number of peripheral components l Low current consumption (Vcc=3V) FM: ID=5.3mA (Typ.) AM: ID=3.4mA(Typ.) l Built-in FM/AM select switch l Large output of AF amplifier LS1691BM FUNCTIONS FM section l RF amplifier; Mixer and OSC (in corporating AFC variable capacitor); l IF amplifier, l Quadrature detection; l Tuning LED driver.
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