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NE5205A View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
NE5205A Wide-band high-frequency amplifier Philips
Philips Electronics Philips
NE5205A Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
Wide-band high-frequency amplifier
Product specification
NE/SA/SE5205A
DESCRIPTION
The NE/SA/SE5205A family of wideband amplifiers replace the
NE/SA/SE5205 family. The ‘A’ parts are fabricated on a rugged 2µm
bipolar process featuring excellent statistical process control.
Electrical performance is nominally identical to the original parts.
The NE/SA/SE5205A is a high-frequency amplifier with a fixed
insertion gain of 20dB. The gain is flat to ±0.5dB from DC to
450MHz, and the -3dB bandwidth is greater than 600MHz in the EC
package. This performance makes the amplifier ideal for cable TV
applications. For lower frequency applications, the part is also
available in industrial standard dual in-line and small outline
packages. The NE/SA/SE5205A operates with a single supply of 6V,
and only draws 24mA of supply current, which is much less than
comparable hybrid parts. The noise figure is 4.8dB in a 75system
and 6dB in a 50system.
Until now, most RF or high-frequency designers had to settle for
discrete or hybrid solutions to their amplification problems. Most of
these solutions required trade-offs that the designer had to accept in
order to use high-frequency gain stages. These include high-power
consumption, large component count, transformers, large packages
with heat sinks, and high part cost. The NE/SA/SE5205A solves
these problems by incorporating a wide-band amplifier on a single
monolithic chip.
The part is well matched to 50 or 75input and output impedances.
The Standing Wave Ratios in 50 and 75systems do not exceed
1.5 on either the input or output from DC to the -3dB bandwidth limit.
Since the part is a small monolithic IC die, problems such as stray
capacitance are minimized. The die size is small enough to fit into a
very cost-effective 8-pin small-outline (SO) package to further
reduce parasitic effects.
No external components are needed other than AC coupling
capacitors because the NE/SA/SE5205A is internally compensated
and matched to 50 and 75. The amplifier has very good distortion
specifications, with second and third-order intermodulation
intercepts of +24dBm and +17dBm respectively at 100MHz.
The device is ideally suited for 75cable television applications
such as decoder boxes, satellite receiver/decoders, and front-end
amplifiers for TV receivers. It is also useful for amplified splitters and
antenna amplifiers.
The part is matched well for 50test equipment such as signal
generators, oscilloscopes, frequency counters and all kinds of signal
analyzers. Other applications at 50include mobile radio, CB radio
and data/video transmission in fiber optics, as well as broad-band
LANs and telecom systems. A gain greater than 20dB can be
achieved by cascading additional NE/SA/SE5205As in series as
required, without any degradation in amplifier stability.
PIN CONFIGURATIONS
N, D Packages
VCC 1
VIN 2
GND 3
GND 4
20dB
8 VCC
7 VOUT
6 GND
5 GND
TOP VIEW
Figure 1. Pin Configuration
SR00215
FEATURES
600MHz bandwidth
20dB insertion gain
4.8dB (6dB) noise figure ZO=75(ZO=50)
No external components required
Input and output impedances matched to 50/75systems
Surface mount package available
MIL-STD processing available
2000V ESD protection
APPLICATIONS
75cable TV decoder boxes
Antenna amplifiers
Amplified splitters
Signal generators
Frequency counters
Oscilloscopes
Signal analyzers
Broad-band LANs
Fiber-optics
Modems
Mobile radio
Security systems
Telecommunications
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Small Outline (SO) package
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline (SO) package
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
0 to +70°C
0 to +70°C
-40 to +85°C
-40 to +85°C
-55 to +125°C
ORDER CODE
NE5205AD
NE5205AN
SA5205AD
SA5205AN
SE5205AN
DWG #
SOT96-1
SOT97-1
SOT96-1
SOT97-1
SOT97-1
1992 Feb 24
2
853-1598 05759
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