Rainbow-electronics MAX2130 Bedienungsanleitung PDF herunterladen

General Description

The MAX2130 broadband, low-distortion, low-noise,

two-output amplifier performs preamp, loop-out, and

buffer functions in TV tuner applications. The device

integrates functions typically achieved with discrete

components into the space-saving 8-pin µMAX-EP

package. The MAX2130 provides a gain of +15dB with

a noise figure less than 3.2dB over the 44MHz to

878MHz frequency range. The MAX2130 features an

externally adjustable bias control, set with a single

resistor, that allows the user to meet minimum linearity

requirements while reducing current consumption. The

device operates from a +5V single supply and only

requires 93mA of supply current when nominally

biased.

________________________Applications

DVB-T Digital Broadcast Receivers

Digital/Terrestrial TV Tuners

Set-Top Boxes

Cable Modems

Analog TV Tuners

Features

♦ +5V Single-Supply Operation

♦ 44MHz to 878MHz Operating Frequency Range

♦ Guaranteed 7.4dB (min) Input Return Loss Over

Frequency Range

♦ LNA Performance at I

= 93mA (R

BIAS

= 15kΩ)

15dB Gain

2.8dB Noise Figure

+17.5dBm Input IP3

+27dBm Input IP2

+2.7dBm Input 1dB Compression Point

♦ Loop-Out Amplifier Performance at I

= 93mA

BIAS

= 15kΩ)

8.7dB Gain

4.2dB Noise Figure

+17dBm Input IP3

+29dBm Input IP2

-0.5dBm Input 1dB Compression Point

♦ Programmable Linearity vs. Supply Current

MAX2130

Broadband, Two-Output, Low-Noise

Amplifier for TV Tuner Applications

________________________________________________________________ Maxim Integrated Products 1

MAX2130

47pF1000pF10µF

BIAS

OUT1

GND

OUT2

INPUT

0.1µF

DAC

ADJ

BIAS

15k

1.2V

220pF 1000pF

0.1µF

LNA

OUTPUT

0.1µF

LOOP-OUT

OUTPUT

OPTIONAL: DYNAMIC

LINEARITY ADJUSTMENT CIRCUIT

CHOKE

MURATA

BLM11A221S

GND

Typical Operating Circuit

19-1806; Rev 0; 10/00

Ordering Information

*Exposed paddle

Pin Configuration appears at end of data sheet.

PART TEMP. RANGE PIN-PACKAGE

MAX2130EUA -40°C to +85°C 8 µMAX-EP*

EVALUATION KIT

AVAILABLE

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - Ordering Information

General DescriptionThe MAX2130 broadband, low-distortion, low-noise,two-output amplifier performs preamp, loop-out, andbuffer functions in TV tuner ap

Seite 2 - AC ELECTRICAL CHARACTERISTICS

MAX2130Broadband, Two-Output, Low-NoiseAmplifier for TV Tuner Applications2 __________________________________________________________________________

Seite 3 - GAIN vs. FREQUENCY

MAX2130Broadband, Two-Output, Low-NoiseAmplifier for TV Tuner Applications____________________________________________________________________________

Seite 4 - = 15kΩ ±1%, T

MAX2130Broadband, Two-Output, Low-NoiseAmplifier for TV Tuner Applications4 __________________________________________________________________________

Seite 5

MAX2130Broadband, Two-Output, Low-NoiseAmplifier for TV Tuner Applications____________________________________________________________________________

Seite 6 - Pin Description

MAX2130Broadband, Two-Output, Low-NoiseAmplifier for TV Tuner Applications6 __________________________________________________________________________

Seite 7 - Chip Information

Dynamic Linearity AdjustmentThe LNA and loop-out amplifier linearity can be dynam-ically adjusted by varying the amount of currentsourced by the BIAS

Seite 8 - Package Information

MAX2130Broadband, Two-Output, Low-NoiseAmplifier for TV Tuner ApplicationsMaxim cannot assume responsibility for use of any circuitry other than circu

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Inhaltsverzeichnis

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