SL6140MPTC MITEL [Mitel Networks Corporation], SL6140MPTC Datasheet

SL6140MPTC

Manufacturer Part Number

SL6140MPTC

Description

400MHz Wideband AGC Amplifier

Manufacturer

MITEL [Mitel Networks Corporation]

Datasheet

1.SL6140MPTC.pdf (10 pages)

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Features

Applications

Description

The SL6140 is an integrated broadband AGC amplifier,

designed on an advanced bipolar process.

amplifier provides over 15dB of linear gain into 50Ω at

400MHz. Gain control is also provided with over 70dB

of dynamic range. The SL6140 offers over 45dB of

voltage gain with an R

400MHz Bandwidth (R

High voltage Gain 45dB (R

70dB Gain Control Range

High Output Level at Low Gain

Surface Mount Plastic Package

Low Cost

RF/IF Amplifier

High Gain Mixers

Video Amplifiers

INPUT

AGC

R AGC

of 1kΩ.

=50Ω)

10n

=1kΩ)

Figure 1 Typical Application

The

SL6140

+VCC

The SL6140 (Figure 3) is a high gain amplifier with an

AGC control capable of reducing the gain of the amplifier

by over 70dB. The gain is adjustable by applying a

voltage to the AGC input via an external resistor (R

the value of which adjusts the curve of gain reduction

versus control voltage (see Figure 4). As the output

stage of the amplifier is an open collector the maximum

voltage gain is determined by R

of 1kΩ the single ended voltage gain is 45dB and with a

load resistance of 50Ω the voltage gain is 15dB (20log

resistance is the bandwidth: 25MHz for R

compared with 400MHz for R

give either the required bandwidth or voltage gain for the

circuit.

Figure 7 through to 10 show the typical S parameters for

the device. Figures 11 and 12 show the typical variation

in 3rd order intercept performance with AGC.

In any application, the substrate should be connected to

the most negative point in the circuit, usually to the same

point as pin 3.

SL6140/NA/MP

SL6140/NA/MPTC Tape and Reel

DS2159

OUT

1.0 F

400MHz Wideband AGC Amplifier

). Another parameter that depends on the load

Ordering Information

Industrial temperature range

miniature plastic package

R L

Issue no 5.0

+VCC

R L

= 50Ω. R

. With load resistance

10n

July 1999

SL6140

is chosen to

OUTPUT

= 1kΩ, as

SL6140

AGC

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SL6140MPTC Summary of contents

Page 1

Features G 400MHz Bandwidth (R =50Ω High voltage Gain 45dB (R =1kΩ 70dB Gain Control Range G High Output Level at Low Gain G Surface Mount Plastic Package G Low Cost Applications G RF/IF Amplifier G ...

Page 2

SL6140 Electrical Characteristics T = 25° 12V +5%, V amb CC IN These characteristics are guaranteed over the following conditions (unless otherwise stated) Characteristic Supply current Output stage current Output current matching (magnitude of difference of output currents) ...

Page 3

AGC 5 I/P 470 2k 4 INPUT 6 66 INPUT 5k 1.1k 470 X 2 180 180 470 5k 1.1k 2.1k Figure 3 Full Circuit Diagram of SL6140 7k 12.1k 1 1.4k 45 2.8k 200 200 5.6k 1.9k 200 ...

Page 4

SL6140 (dB ...

Page 5

0 =1kΩ =50Ω 10 FREQUENCY (MHz) Figure 6 Voltage Gain v. Frequency Ω Figure 7 Input Impedance 50 100 System SL6140 1000 5 ...

Page 6

SL6140 Figure 9 Reverse Transmission Coefficient S 6 Figure 8 Output Impedance 50 Ω System SL6140 12 ...

Page 7

Figure 10 Forward Transmission Coefficient S Figure 11 3rd Order Intercept Point Against Gain Reduction At 250.0MHz and 254.0MHz SL6140 SL6140 12 7 ...

Page 8

SL6140 Figure 12 3rd Order Intercept Point Against Gain Reduction At 100.0MHz and 104.0MHz VARIABLE CAPS 3-25pF L1 7 TURNS # 18 SWG 8mm DIA 16mm LONG L2 6 TURNS # 16 SWG 14mm DIA 19mm LONG 8 1nF 6 ...

Page 9

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Page 10

North America Tel: +1 (770) 486 0194 Fax: +1 (770) 631 8213 Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively “Mitel”) is believed to be reliable. However, Mitel assumes no liability for errors ...

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