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| PRODUCT INFORMATION APPLICATIONS: * Television/VCR * Satellite receivers * Multi-media adapters * Video signal converters RF Components Group E225x and E235X Series PAL Format Electronic Television Modulators FEATURES * * * * * * * * * Power supply: 5 V Small Size: 44 mm x 44 mm x 17 mm Common Footprint Common Electrical Interface Standard pin-pitch between models I2C bus serial PLL control Same input connector locations between models Reduced component count High level of integration E2258T2 meets CENELEC emissions requirements E2258T2 PACKAGAGE E225-1 PROGRAMMABLE OPTIONS * * * * * Output frequency Test Signal Generator (TSG) On/Off Test Modes On/Off Intercarrier spacing for output Mode - G/I/K (E2354T) Audio carrier level: -10 to -17 dB with respect to the Video carrier (E2354T) DESCRIPTION The E225x and E235X Series Modulators are new PAL format modulators with the output frequency set by a PLL. These modulators provide direct Phase-Locked Loop tuning instead of the previous screwdriver setting, providing software flexibility over output channel control. The output may be tuned over the PAL channel range of 21 ~ 69. These two new modulator series retain the common modulator mechanical footprint of previous designs. A variety of versions and options are available, as shown in the table. The PLL programming is provided by an I2C serial bus interface. Modulation factors of 100% and 55% are available. Test and evaluation software is available upon request for programming the E225X and E235X modulator models. SELECTION GUIDE MODEL E2251T E2251TA E2258TA E2258T2 E2354T E2358T PAL MODULATION FORMAT FACTOR G G G/I G/I G/I/K G/I 100% 55% 55% 55% 100% 100% PLL SETS Channel, TSG, RF On/Off Channel, TSG, RF On/Off Channel, TSG, RF On/Off Channel, TSG, RF On/Off Channel, TSG, Format, Power Save On/Off, Video/Audio Ratio Channel, TSG, RF On/Off PRODUCT INFORMATION BASIC BLOCK DIAGRAM ANTENNA IN TV OUT Sharp Electronics Corporation Regional Sales Offices North American Headquarters Camas, WA Ph (360) 834-2500 Fax (360) 834-8903 VIDEO IN VIDEO CLAMP WHITE CLIP MODULATION RF CARRIER OSCILLATOR PLL 2 IC CLOCK DATA West Irvine, CA Ph (714) 250-0225 Fax (714) 250-0438 San Jose, CA Ph (408) 436-4900 Fax (408) 436-0924 AUDIO IN PREEMPHASIS FM MODULATOR OSCILLATOR Central Romeoville, IL Ph (708) 226-2400 Fax (708) 759-8572 Auburn Hills, MI Ph (810) 377-9220 Fax (810) 377-9222 Austin, TX Ph (512) 349-7262 Fax (512) 349-7002 DFW Airport, TX Ph (214) 574-5205 Fax (214) 456-0360 Houston, TX Ph (713) 955-9909 Fax (713) 955-9910 6 MHz TANK 5.5 MHz TANK E225-2 MECHANICAL DIMENSIONS A - A' (S = 2/1) 1.5 6.6 22.5 A 4.24 0.5 5.35 2.0 8.0 17.0 44.0 26.7 CH. SELECTOR 10.0 12.0 TV - OUT (IEC-M) 2.0 5.7 1.3 2.6 17.0 8.5 10.7 8.5 A' 9.6 M2.6 TAP East Burlington, MA Ph (617) 270-7979 Fax (617) 229-9117 Annadale, NJ Ph (908) 713-0505 Fax (908) 713-0566 Durham, NC Ph (919) 941-0065 Fax (919) 941-0066 Distributors 22.0 13.7 46.5 46.0 28.0 44.0 G I 24.0 PAL SELECTER SW TRAVEL: 2 2.5 1 40.8 9 ANT - IN (IEC - F) Future Electronics Canada Ph (514) 694-7710 Fax (514) 695-3707 Marshall Industries El Monte, CA Ph (800) 522-0084 Fax (818) 307-6173 URL http://www.marshall.com NO. 1 2 3 NAME BT (33 V) VIDEO IN AUDIO IN MD +B (5 V) NC NC CLOCK DATA NC E225-3 (S = 2/1) 0.8 0.6 2.0 42.0 Milgray Farmindale, NY Ph (800) MILGRAY (645-4729) Fax (516) 293-6465 4 5 Reptron Tampa, FL Ph (800) 659-1361 Fax (813) 854-2351 0.4 0.6 (42) 8 - 2.5 6 7 8 3.5 9 NOTES: 1. Dimensions are in mm. 2. Tolerances are 0.5 unless otherwise specified. Sterling Electronics Corp. Houston, TX Ph (800) 745-5500 Fax (713) 629-3939 FastFax Service: 1-800-833-9437 Product Information: 1-800-642-0261 World Wide Web Site: http://www.sharpmeg.com Copyright (c)1997, Sharp Electronics Corp. All rights reserved. All tradenames are the registered property of their respective owners. Specifications are subject to change without notice. SMT97029 |
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