MC44BS374T1AD-R2 datasheet(15/34 Pages) FREESCALE

Part #	MC44BS374T1AD-R2

Description	PLL Tuned UHF and VHF Audio/Video High Integration Modulator

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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15 / 34 page

Characterization Measurement Conditions

MC44BS374T1/374T1A Advance Information

Figure 6. Typical Audio Performance

15 Characterization Measurement Conditions

The following list shows the MC44BS374T1/374T1A default configuration unless otherwise specified.

•

Peak White Clip enabled

•

UHF oscillator ON

•

Sound and video modulators ON

•

Sound subcarrier frequency = 5.5 MHz

•

Sound Oscillator ON

•

Logic Output Port LOW

•

Picture-to-sound carrier ratio = 12 dB

•

Test pattern disabled

•

All test mode bits are ‘0’

•

Frequency from channel 21 to 69

RF Inputs / Output into 75ohm Load using a 75 to 50 ohm transformation. Video Input 1Vpp.

Audio pre-emphasis circuit enabled.

FM Audio Weighted Signal to Noise

471

521

571

621

671

721

771

821

871

Frequency (Mhz)

Typical

Minimum specification

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MC44BS374T1AD-R2 Datasheet(PDF) 15 Page - Freescale Semiconductor, Inc

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