Monolithic linear LA7170M Modulator Band (Supports SECAM)

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Monolithic linear LA7170M Modulator Band (Supports SECAM)

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Ordering number EN5675
Monolithic linear
LA7170M
Modulator Band (Supports SECAM)
Overview
LA7170M band modulator whose builtin oscillator mixer make single-chip modulator solution. also supports image positivity modulation sound modulation SECAM systems.
Package Dimensions
unit: 3036B-MFP20
[LA7170M]
SANYO: MFP20
Specifications
Maximum Ratings 25°C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol Topr Tstg 75°C Conditions Ratings +150 Unit
Operating Conditions 25°C
Parameter Recommended operating voltage Operating supply voltage range Symbol Conditions Ratings Unit
Operating Characteristics 25°C, Unless otherwise specified, 591.25 MHz, MHz, S10: S19A: S19B:
Parameter Current drain Regulator voltage Output Level] (S19A: S19B: Picture carrier output Sound carrier output ratio Sound second harmonic distortion Sound third harmonic distortion Chrominance beat Picture harmonic distortion P/S2 P/S3 P/CB P/V2 With input, with terminator Ratio levels fp+fs Ratio levels fp+2fs Ratio levels fp+3fs Ratio above chrominance beat Vp-p with 4.43-MHz sine wave input Ratio above level fp+2 Vp-p with 1-MHz sine wave input 12.5 79.5 17.5 Symbol ICC1 Vreq With input With input Conditions Ratings Unit
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SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
43098HA (OT) 5675-1/8
LA7170M
Continued from preceding page.
Parameter [Picture] Picture modulation Maximum picture modulation SYNC compression Differential gain Differential phase SECAM picture modulation picture modulation ratio horizontal period synchronization pulse width white signal width first white rising edge second white rising edge [Sound] sound modulation Rank Rank Rank Rank Rank Interchannel sound modulation ratio sound distortion 1.66 Vp-p with 1-kHz sine wave input; 100% modulation: kHz; S10: Note: Vp-p normally produces modulation. ratio with S10: S10: b/off; Vp-p with 1-kHz sine wave input S10: b/off; Vp-p color bar; with 1-kHz sine wave input; ratio level Vp-p that Vp-p Maximum modulation possible with S10: b/off sound distortion ratio within S10: Vp-p with 1-kHz sine wave input S10: Vp-p with 1-kHz sine wave input S10: Vp-p color bar; with 1-kHz sine wave input; ratio level Vp-p that Vp-p 0.93 0.98 1.03 (S/V) Vp-p, 100% white Vp-p, 100% white Vp-p, 100% white {1-(S/V)(3/7)} 5-stair step, 80%, fourth step 5-stair step, 80%, fourth step Vp-p, 100% white 6.3/3.7 63.7 6.8/3.2 64.0 7.3/2.7 64.3 Symbol Conditions Ratings Unit
sound signal-to-noise ratio
S/NFM
Maximum modulation sound modulation sound distortion ratio
sound signal-to-noise ratio
Note: sound items refer direct detection from sound carrier sound intercarrier). This device requires special care associated with high-frequency devices.
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LA7170M Functions
Symbol VCC1 Voltage Description baseband circuits Equivalent Circuit
TANK1 TANK2
Connect tank circuits between these pins pin.
Regulator output
AUDIO
sound input
AUDIO
sound input
GND1
Ground baseband circuits
VIDEO
Picture input. Clamp SYNC tip.
(open)
Ground this through 500-kHz oscillator. Open
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LA7170M
Continued from preceding page.
Symbol Voltage Description Equivalent Circuit
FoCTL
(open)
PAL-TANK1 (2.1 PAL-TANK2 (3.8 SECAM-TANK2
OSC-B1 OSC-E1 OSC-E2 OSC-B2
This circuit forms Colpitts oscillator.
GND2 VCC2 GND3
Ground oscillator oscillator mixer
Grounding this through capacitor resistor attenuates sound intercarrier level.
mixer signal output
VCC3
mixer
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LA7170M Block Diagram
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Test Circuit
5.5-MHz coil Sumida Electric SA-1038 6.5-MHz coil Sumida Electric SA-1002 500-kHz resonator Murata CSB500E54
LA7170M
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Sample Application Circuit
5.5-MHz coil Sumida Electric SA-1038 6.5-MHz coil Sumida Electric SA-1002 500-kHz resonator Murata CSB500E54
LA7170M
5675-7/8
LA7170M
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 April, 1998. Specifications information herein subject change without notice. 5675-8/8

Monolithic linear LA7170M Modulator Band (Supports SECAM)

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