MC7856
MC7856 is CATV 22 dB PUSH-PULL AMPLIFIER manufactured by NEC.
CATV 22 d B PUSH-PULL AMPLIFIER MC-7856
Features
- GALLIUM ARSENIDE ACTIVE DEVICES
- LOW DISTORTION
- LOW NOISE FIGURE (5.7 d B TYP at 860 MHz)
- HIGH RELIABILITY (FIT = 125 at heat sink temperature of 100°C, Report available)
- INDUSTRY PATIBLE PACKAGE
OUTLINE DIMENSIONS (Units in mm)
PACKAGE OUTLINE
45.08 MAX 38.1±0.25 2.41 MAX 27.5 MAX 4.25
+ 0.25
- 0.35
14.85 MAX 4.0±0.25 8.1 MAX 1 In 25.4±0.25 2.54±0.25 6-32 unc 2B
VDD 5 9 Out
2 3 7 8 0.25±0.05 21.5 MAX Gnd
DESCRIPTION
The MC-7856 is a Ga As hybrid integrated circuit designed to be used as the input device in CATV applications up to 860 MHz. This unit has a minimum gain of 21.5 d B at 860 MHz, and because it is a Ga As device, it has lower distortion and lower noise figure. Reliability is assured by NEC's stringent quality and process control procedures. Devices are assembled and tested using fully automated equipment to maximize the consistency in part to part performance.
4.19±0.13
1 2 3
7 8 9
1.86±0.25
10.75 ±0.25
12.9 MAX 0.45±0.05
2.54 ±0.38
ELECTRICAL CHARACTERISTICS (TCASE = 30 °C, VDD = 24 V, ZS = ZI = 75 Ω)
SYMBOLS BW GA S Gf S11 Gain Gain Slope Gain Flatness Input Return Loss PART NUMBER PARAMETERS Frequency Range UNITS MHz d B d B d B d B d B d B d B d B d B d B d B d B d B d B d B m A d B d B 18.0 17.0 16.0 14.5 18.0 17.0 16.0 14.5 30 -60 -63 -63 220 5.3 5.7 -55 -55 -55 240 6.2 6.5 50 MHz 860 MHz MIN 50 21.5 0 MC-7856 TYP MAX 860 23.0 2.0 1.0 f = 860 MHz 50 to 860 MHz 50 to 860 MHz; Peak to Valley 50 to 160 MHz 160 to 320 MHz 320 to 640 MHz 640 to 860 MHz 50 to 160 MHz 160 to 320 MHz 320 to 640 MHz 640 to 860 MHz 50 to 860 MHz VOUT = +44 d Bm V/ch VOUT = +44 d Bm V/ch VOUT = +44 d Bm V/ch CONDITIONS
S22
Output Return Loss
S12 CTB CSO XMod IDD NF
Reverse Isolation posite Triple Beat,110 Channels posite Second Order, 110 Channels Cross Modulation, 110 Channels DC Current Noise...