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Ordering number : N5288A
Monolithic Linear IC
LA7337
SECAM-Format VCR Chroma Signal-Processing Circuit
Overview
The LA7337 is an IC that implements SECAM-format VCR signal processing in a single chip. It incorporates band-pass filters and a SECAM discrimination circuit on chip and features automatic adjustment of the bell filter for a reduced number of external components and adjustmentfree circuit operation.
Package Dimensions
unit: mm
3063-DIP28S
[LA7337]
Features
• All required filters, except for the bell filter, incorporated on chip. • Automatic adjustment of the bell filter f0 parameter • Built-in SECAM discrimination circuit
Functions
•4.3-MHz and 1.1-MHz band-pass filters, limiter, AGC (in playback mode) • Divide-by-four circuit, 4× frequency multiplier circuit, 2.