LC89973M Delay Line Overview LC89973M delay line televi

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LC89973M Delay Line Overview LC89973M delay line televi

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Ordering number EN5114
LC89973M
Delay Line
Overview
LC89973M delay line television systems. incorporates comb filter chrominance signal delay line luminance signal.
Built-in peripheral circuits allow applications constructed with minimum number external components. Positive-phase signal input/positive-phase signal output (luminance signal)
Structure
NMOS
Package Dimensions
unit: 3045B-MFP24 (375 mil)
[LC89973M]
Structure
NMOS
Functions
shift registers (for chrominance luminance signals) drive circuits stage count switching circuit signal adder Auto-bias circuit Sync clamping circuit (luminance signal) Center-bias circuit (chrominance signal) Sample-and-hold circuit frequency multiplier clock output circuit voltage generator
SANYO: MFP24
Features
single-voltage power supply Built-in frequency multiplier circuit allows operation from (4.43 MHz) input. Control switchable handle PAL/GBI 4.43 NTSC systems. Built-in chrominance signal crosstalk exclusion comb filter features high precision comb characteristics adjustment-free circuit.
Specifications
Absolute Maximum Ratings 25°C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol Topr Tstg Conditions Ratings -0.3 +6.0 +150 Unit
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
63095TH (OT) 5114-1/8
LC89973M Allowable Operating Ranges 25°C
Parameter Supply voltage Clock input amplitude Clock frequency Clock signal input amplitude Luminance signal input amplitude Symbol VCLK FCLK VIN-C VIN-Y Sine wave Conditions 4.75 5.00 4.43361875 5.25 1000 Unit mVp-p mVp-p mVp-p
Electrical Characteristics 25°C, FCLK 4.43361875 MHz, VCLK mVp-p
Parameter Symbol IDD-1 IDD-2 VINC-1 VINC-2 VOUYC-1 VOUTC-2 GVC-1 GVC-2 CD-1 CD-2 LNC-1 LNC-2 LCK3C-1 LCK3C-2 LCK1C-1 LCK1C-2 NC-1 NC-2 ZOC-1 ZOC-2 TDC-1 TDC-2 Switch states Conditions Unit
Supply current
Chrominance System Characteristics (with Y-IN input) voltage (input) mVrms
voltage (output)
Voltage gain
Comb depth
Linearity
-0.3
+0.3
Clock leakage fsc)
mVrms
Clock leakage (fsc)
Noise
mVrms
Output impedance
delay time
Continued next page. 5114-2/8
LC89973M
Continued from preceding page.
Switch states
Parameter
Symbol
Conditions
Unit
Luminance System Characteristics (with C-IN1 C-IN2 input) voltage (input) VINY-1 VINY-2 VOUTY-1 VOUTY-2 GVY-1 GVY-2 GFY-1 GFY-2 DGY-1 DGY-2 DPY-1 DPY-2 LSY-1 LSY-2 LCK3Y-1 LCK3Y-2 LCK1Y-1 LCK1Y-2 NY-1 NY-2 ZOY-1 ZOY-2 TDY-1 TDY-2 mVrms
voltage (output)
Voltage gain
Frequency responce
Differential gain
Differential phase
Linearity
Clock leakage fsc)
mVrms
Clock leakage (fsc)
Noise
mVrms
Output impedance
Delay time
63.84
Test Conditions Supply current with signal input. C-OUT voltage (center bias voltage) with signal input. Measure C-OUT output with mVp-p sine wave signals input C-IN1 C-IN2. C-OUT output [mVp-p] [dB] [mVp-p]
Test frequencies GVC-1 4.429662 (PAL/GBI) GVC-2 4.425749 (4.43 NTSC)
5114-3/8
LC89973M Measure comb depth from C-OUT output with mVp-p sine wave signal frequency input C-IN1 C-IN2 with frequency input. C-OUT output with input [mVp-p] [dB] C-OUT output with input [mVp-p] 4.425756 (PAL/GBI) 4.417930 (4.43 NTSC)
Test frequencies CD-1 CD-2 4.429662 4.425749
Measure C-OUT output with mVp-p sine wave signal input C-IN1 C-IN2 with mVp-p sine wave signal input calculate difference gains. Output mVp-p input [mVp-p] [mVp-p] Output mVp-p input [mVp-p] [mVp-p] [dB]
Test frequencies LNC-1 4.429662 (PAL/GBI) LNC-2 4.425749 (4.43 NTSC) Measure (13.3 MHz) (4.43 MHz) components C-OUT output with input. Measure noise C-OUT output with input. Measure noise with noise meter with high-pass filter low-pass filter. C-OUT output with mVp-p sine wave input C-IN1 C-IN2 C-OUT output with [mVp-p] [mVp-p] [mVp-p]
Test frequencies ZOC-1 4.429662 (PAL/GBI) ZOC-2 4.425749 (4.43 NTSC) C-OUT output delay time with respect inputs C-IN1. (the delay) Y-OUT voltage (clamp voltage) with signal input. Measure Y-OUT output with mVp-p sine wave input Y-IN. Y-OUT output [mVp-p] [dB] [mVp-p]
Measure Y-OUT output with mVp-p sine wave input Y-IN with mVp-p sine wave input. Y-OUT output with input [mVp-p] [dB] Y-OUT output with input [mVp-p]
Note that Vbias should adjusted that circuit biased clamp level plus
5114-4/8
LC89973M Input five-level step waveform (see figure below) Y-IN measure differential gain differential phase Y-OUT output with vector scope.
Input five-level step waveform (see figure below) Y-IN measure luminance level sync level Y-OUT output. [mV] [mV]
Measure (13.3 MHz) (4.43 MHz) components Y-OUT output with input. Measure noise Y-OUT output with input. Measure noise with noise meter with high-pass filter, low-pass filter, 4.43 trap filter. Y-OUT output with mVp-p sine wave input C-OUT output with [mVp-p] [mVp-p] [mVp-p]
Y-OUT delay time with respect Y-IN
5114-5/8
LC89973M Assignment
5114-6/8
LC89973M Block Diagram
Control Function
CONT High Mode (representative example) PAL/GBI 4.43 NTSC Chrominance signal delay (CCD bits) (1705) (2.5) (853) (2.5) Luminance signal delay (CCD bits) (848.5) (848.5)
Switching Voltage Levels
Low/high High Symbol -0.3 +0.5 Unit
Note: Since control built-in pull-down resistor, will state left open.
Function This provides buffer output clock signal input pin.
Note: Since this built-in pull-up resistor, voltage will supply voltage output will cease left open.
5114-7/8
LC89973M Test Circuit
products described contained herein intended surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment like, failure which directly indirectly cause injury, death property loss. Anyone purchasing products described contained herein above-mentioned shall: Accept full responsibility indemnify defend SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees, jointly severally, against claims litigation damages, cost expenses associated with such use: impose responsibility fault negligence which cited such claim litigation SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees jointly severally. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties. This catalog provides information June, 1995. Specifications information herein subject change without notice. 5114-8/8

LC89973M Delay Line Overview LC89973M delay line televi

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