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MC-7842 Datenblatt(PDF) 1 Page - California Eastern Labs |
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MC-7842 Datenblatt(HTML) 1 Page - California Eastern Labs |
1 / 2 page HIGH GAIN CATV POWER DOUBLER AMPLIFIER MC-7842 MC-7843 OUTLINE DIMENSIONS (Units in mm) PACKAGE OUTLINE H02 FEATURES • GALLIUM ARSENIDE ACTIVE DEVICES • HIGH GAIN/LOW DISTORTION MC-7842: 22 dB Linear Gain MC-7843: 24 dB Linear Gain • LOW DC CURRENT DRAW 375 mA MAX DC Current (360 TYP) • LOW GAIN CHANGE OVER TEMP 0.5 dB TYP change from -30 to +100°C • HIGH RELIABILITY/RUGGEDNESS Withstands environmental extremes as well as Silicon devices (surge, ESD, etc.) • INDUSTRY COMPATIBLE PACKAGE DESCRIPTION The MC-7842 and MC-7843 are GaAs hybrid integrated cir- cuits designed to be used as the output stage in CATV cable distribution amplifier applications up to 870 MHz. The only dif- ference between the MC-7842 and the MC-7843 is gain of about 22 dB and 24 dB respectively. With this product, NEC has made significant advancements to their initial power dou- bler product offering, including lower distortion, higher crash point, less variation in gain over temperature, a reduction in out of band gain at the high end, and improved ability to sur- vive an overdrive. Like the previous products, these devices survive such hazards as surge and ESD as well as their sili- con competitors, but deliver superior performance with low DC current required. All devices are assembled and tested using fully automated equipment to maximize consistency in part to part performance, and reliability is assured by NEC's stringent quality and process control procedures. Both parts come in industry compatible hybrid packages. VDD 9 1 In Out Gnd 23 7 8 2.54 ±0.38 21.5 MAX 6-32 unc 2B 2.54±0.25 12 3 5 789 4.19±0.13 14.85 MAX 4.25 + 0.25 - 0.35 4.0±0.25 5 10.75 ±0.25 27.5 MAX 38.1±0.25 45.08 MAX 0.51±0.05 0.51±0.05 3.2 MAX A 0.38.. A 25.4±0.25 19.05±0.38 8.1 MAX 2.5 6.3 ±0.05 California Eastern Laboratories PART NUMBER MC-7842 MC-7843 SYMBOLS PARAMETERS UNITS MIN TYP MAX MIN TYP MAX CONDITIONS BW Frequency Range MHz 50 – 870 50 – 870 GL Linear Gain dB 22.0 – 23.5 24.0 – 25.5 f = 870 MHz S Gain Slope dB 0.3 0.9 1.5 0.3 0.9 1.5 50 to 870 MHz Gf Gain Flatness dB – – 1.0 – – 1.0 50 to 870 MHz; Peak to Valley NF Noise Figure dB – – 6.3 – – 6.0 50 MHz dB – – 6.8 – – 6.5 870 MHz IDD Operating Current, PIN = none dB 275 375 275 375 CTB Composite Triple Beat Distortion dBc – -64 -60 – -64 -60 X-Mod Cross Modulation1 dBc – -60 -55 – -60 -55 CSO Composite Second Order Distortion dBc – -66 -63 – -66 -63 RL in/out Input/Output Return Loss dB 20.0 – – 20.0 – – 40 to 160 MHz dB 19.0 – – 19.0 – – 160 to 320 MHz dB 17.5 – – 17.5 – – 320 to 640 MHz dB 16.0 – – 16.0 – – 640 to 870 MHz ELECTRICAL CHARACTERISTICS (TCASE = 30°C, VDD = 24 V, ZS = ZL = 75 Ω) 110 channels, Vout = +50dBmV, at 745.25 MHz, 10dB tilted across the band. Note: 1. Measured per US standard methods and procedures (using selective level meter). |
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Ähnliche Beschreibung - MC-7842 |
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