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| ISG56518 5 TO 65 MHz SILICON CATV 18 dB HYBRID AMPLIFIER FEATURES * FLAT GAIN RESPONSE FROM 5 TO 65 MHz: f = 0.2 dB * INPUT AND OUTPUT MATCHING TO 75 OHMS: RL = > 22 dB 3.49 [.137] OUTLINE DIMENSIONS (Units in mm [inches]) ISG56518 45.08 [1.775] MAX 38.10 0.25 [1.500 .010] 3.96 [.156] 8.00 +0.13 -0.20 * LOW DISTORTION: P1dB = 78 dBmV * LOW NOISE: 3.9dB * AUTOMATED SURFACEMOUNT CONSTRUCTION [.315+.005 ] -.008 8.04 [.317] 27.30 [1.075] MAX +0.14 +.006 2x 4.00 -0.24 .157 -.009 THRU [ ] 14.85 [.585] MAX VCC 5 1 IN 9 OUT DESCRIPTION The ISG56518 is a low noise, low distortion hybrid amplifier specified for use in return path HFC Cable TV applications. The ISG56518 is comprised of 100% surface mount components, including high performance silicon transistors. It features excellent noise, gain, and thermal stability across a wide range of operating conditions and frequencies.The amplifiers are manufactured to ISO9002 standards, are very rugged and exhibit excellent unit to unit uniformity. 0.51 0.05 [.020 .002] +4.15 2x -3.85 5.08 0.13 [.200 .005] 2.54 0.13 [.100 .005] 2378 GND [ +.163 -.152 ] 21.08 [.830] +0.25 12.70 -0.89 [.500+.010 ] -.035 4.20 0.13 [.165 .005] 10.20 0.25 [.402 .010] 9.84 [.387] 25.40 0.25 [1.000 .010] 8.60 0.25 [.340 .010] 10.75 0.25 [.423 .010] 2x 6-32 UNC-2B 2.54 0.38 [.100 .015] 17.44 [.687] ELECTRICAL CHARACTERISTICS (VCC = 24 V, 10%, TA = 25C, 75 Ohm System) PART NUMBER SYMBOLS GA G RLIN RLOUT NF CTB XM CSO P1dB VCC IOP BW PARAMETERS AND CONDITIONS Gain at f = 42 MHz Gain Flatness Input Return Loss Output Return Loss Noise Figure Composite Triple Beat1 (+50 dBmV/ch) Cross Modulation1 (+50 dBmV/ch) Composite 2nd Order Distortion1 (+50 dBmV/ch) Output Power at 1 dB Gain Compression Point Supply Voltage Operating Current Bandwidth Input & Output Impedance UNITS dB dB dB dB dB dBc dBc dBc dBmV V mA MHz ohms MIN 18 22 20 ISG56518 TYP 18.2 25 22 3.9 -68 -58 -75 72 24 110 75 MAX 18.4 0.15 4.5 -63 -54 -69 95 5 130 65 Note: 1. Composite Triple Beat, Cross Modulation, 2nd Order Distortion are all measured with 7channels (T7 through T13). at 50 dBmV/ch output and at 25C. Performance tests and ratings for Sirenza Microdevices products were performed internally by Sirenza and measured using specific computer systems and/or components and reflect the approximate performance of the products as measured by those tests. Any difference in circuit implementation, test software, or test equipment may affect actual performance. The information provided herein is believed to be reliable at press time and Sirenza Microdevices assumes no responsibility for the use of this information. All such use shall be entirely at the users own risk. Prices and specifications for Sirenza Microdevices products are subject to change without notice. Buyers should consult Sirenza Microdevices standard terms and conditions of sale for Sirenzas limited warranty with regard to its products. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any product for use in life-support devices and/or systems. 303 S. Technology Court, Broomfield, CO 80021 303-327-3030 1 www.sirenza.com 4/1/2005 REV. A ISG56518 ABSOLUTE MAXIMUM RATINGS1 (TA = 25 C unless otherwise noted) SYMBOLS VCC VIN TC TSTG PARAMETERS DC Supply RF Input Voltage (Single Tone) Operating Case Temperature Range Storage Temperature Range UNITS VDC dBmV C C RATINGS Output Power, POUT (dBmV) 75.00 74.00 73.00 72.00 71.00 70.00 69.00 68.00 67.00 66.00 65.00 64.00 63.00 42 44 46 48 50 52 54 56 58 power in vs power out AT 65 MHz +28 +65 -20 to +100 -40 to +100 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. TYPICAL PERFORMANCE CURVES (TA = 25C) Input Power, PIN (dBmV) GAIN vs FREQUENCY NOISE FIGURE 21 20 8 6 S21 (dB) 19 Noise Figure (dB) 4 18 17 2 16 5 15 25 35 45 55 65 0 5 15 25 35 45 55 65 Frequency (MHz) Frequency (MHz) INPUT RETURN LOSS OUTPUT RETURN LOSS 0 -5 -10 S11 (dB) 0 -5 -10 S22 (dB) -20 -25 -30 -20 -25 -30 5 15 25 35 45 55 65 5 15 25 35 45 55 65 Frequency (MHz) Frequency (MHz) 303 S. Technology Court, Broomfield, CO 80021 303-327-3030 2 www.sirenza.com 4/1/2005 REV. A |
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