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MC-7834-KC Datasheet(PDF) 1 Page - California Eastern Labs |
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MC-7834-KC Datasheet(HTML) 1 Page - California Eastern Labs |
1 / 3 page NEC's 870 MHz GaAs CATV 20 dB PUSH-PULL AMPLIFIER MC-7834-KC OUTLINE DIMENSIONS (Units in mm) PACKAGE OUTLINE H02 FEATURES • GaAs ACTIVE DEVICES • LOW DISTORTION • HIGH LINEAR GAIN: MC-7834-KC - GL = 21 dB MIN at f = 870 MHz • LOW RETURN LOSS • LOW GAIN CHANGE OVER TEMPERATURE • SPECIFIED FOR 79, 110, and 132 CHANNELS PERFORMANCE • HIGH RELIABILITY AND RUGGEDNESS: Withstands environmental extremes as well as Silicon devices (Surge, ESD, Etc.) DESCRIPTION NEC's MC-7834-KC is a GaAs Multi-Chip Module designed for use as input stages in CATV applications up to 870 MHz. Because this unit is a GaAs device, it has low distortion, low noise figure, and low return loss across the entire frequency band. The MC-7834-KC is similar to NEC's standard push-pull devices, but with the higher current allows better distortion performance, especially X-Mod. Like the previous generation of products, these devices sur- vive such hazards as surge and ESD as well as their silicon 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 perfor- mance, and reliability is assured by NEC's stringent quality and process control procedures. These parts come in industry compatible hybrid packages. VDD 9 1 In Out Gnd 2 3 7 8 2.54 ±0.38 21.5 MAX 6-32 unc 2B 2.54 ±0.25 1 2 3 5 7 8 9 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 ±0.050 3.2 MAX A 0.38.. A 25.4 ±0.25 19.05 ±0.38 8.1 MAX 2.5 6.3 ±0.05 APPLICATIONS • CATV HEADEND SYSTEMS • CATV OPTICAL NODES • CATV DISTRIBUTION AMPS PART NUMBER MC-7834-KC TEST CONDITIONS SYMBOLS CHARACTERISTICS UNITS MIN TYP MAX BW Frequency Range MHz 50 – 870 GL Linear Gain dB 20.0 – 21.0 f = 870 MHz S Gain Slope dB 0.2 – 1.0 f = 40 to 870 MHz Gf Gain Flatness dB – – 0.7 40 to 870 MHz; Peak to Valley NF Noise Figure 1 Noise Figure 2 dB – – 6.5 f = 50 MHz – – 7.0 f = 870 MHz RL Input/Output Return Loss dB 20.0 – – 40 to 160MHz 19.0 – – 160 to 320 MHz 17.5 – – 320 to 640 MHz 16.0 – – 640 to 870 MHz IDD Operating Current mA 180 – 325 RF OFF CTB Composite Triple Beat dBc – – -59 f = 40 to 870 MHz; 110 Channels, VOUT = 44 dBmV, Flat XMod Cross Modulation dBc – – -52 CSO Composite Second Order dBc – – -59 ELECTRICAL CHARACTERISTICS (TA= 30±5 °C, VDD = 24 V, ZS = ZL = 75 Ω) Date Published January 2007 |
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