mga-632p8 Avago Technologies, mga-632p8 Datasheet

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mga-632p8

Manufacturer Part Number
mga-632p8
Description
Low Noise, High Linearity Active Bias Low Noise Amplifer
Manufacturer
Avago Technologies
Datasheet

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MGA-632P8
Low Noise, High Linearity Active Bias Low Noise Amplifier
Data Sheet
Description
Avago Technologies’ MGA-632P8 is an economical, easy-
to-use GaAs MMIC Low Noise Amplifier (LNA) with active
bias. The LNA has low noise with excellent input return
loss and high linearity achieved through the use of
Avago Technologies’ proprietary 0.5um GaAs Enhance-
ment-mode pHEMT process. The LNA has an extra feature
that allows a designer to adjust supply current and gain
externally. Due to the high isolation between the input
and output, gain can be adjusted independently through
a resistor in series with a blocking capacitor from the
output pin to FB1 pin, without affecting the noise figure.
It is housed in a miniature 2.0 x 2.0 x 0.75mm
Small Leadless Package (TSLP) package. The compact
footprint and low profile coupled with low noise, high
gain, excellent input return loss and high linearity make
the MGA-632P8 an ideal choice as an LNA for cellular in-
frastructure for GSM, CDMA, W-CDMA and TD-SCDMA ap-
plications.
It is designed for optimum use between 1.4GHz to
3GHz. For optimum performance at lower frequency
from 400MHz to 1.5GHz, the MGA-631P8 is recommend-
ed. Both MGA-631P8 and MGA-632P8 share the same
package and pinout.
Pin Configuration and Package Marking
2.0 x 2.0 x 0.75 mm
Top View
Note:
Package marking provides
orientation and identification
“G2” is Device Code
“X” is month code

3
8-lead TSLP
Bottom View
Note:
Pin 1 : not used
Pin 2 : RFin
Pin 3 : RF ground Pin 7 : RFout
Pin 4 : Vbias
3
Pin 5 : FB1
Pin 6 : not used
Pin 8 : Gnd
8-pin Thin
Features
• Low noise figure
• Good input return loss
• High linearity performance
• High Isolation
• Externally adjustable supply current, 40-80mA
• Externally adjustable gain, 15-20dB
• GaAs E-pHEMT Technology
• Low cost small package size: 2.0x2.0x0.75 mm
• Excellent uniformity in product specifications
Specifications
1.95GHz; 4V, 60mA (typ)
• 17.6 dB Gain
• 0.62 dB Noise Figure
• -22.7 dB S11
• -40.5 dB S12
• 34.8 dBm Output IP3
• 19.2 dBm Output Power at 1dB gain compression
Applications
• Low noise amplifier for cellular infrastructure for GSM,
• Other ultra low noise applications.
Note:
[1] Enhancement mode technology employs positive Vgs, thereby
CDMA, W-CDMA and TD-SCDMA.
eliminating the need of negative gate voltage associated with
conventional depletion mode devices.
Attention: Observe precautions for handling
electrostatic sensitive devices.
ESD Machine Model = 50 V
ESD Human Body Model = 200 V
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and
Control.
[1]
3

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mga-632p8 Summary of contents

Page 1

... Small Leadless Package (TSLP) package. The compact footprint and low profile coupled with low noise, high gain, excellent input return loss and high linearity make the MGA-632P8 an ideal choice as an LNA for cellular in- frastructure for GSM, CDMA, W-CDMA and TD-SCDMA ap- plications. ...

Page 2

... MGA-632P8 Absolute Maximum Rating Symbol Parameter Vd Device Supply Voltage Vbias Control Voltage Input Power (Vd = 4.0, Vbias=.V) in,max [iii] P Total Power Dissipation diss T Junction Temperature j T Storage Temperature STG [ii] Thermal Resistance (Vd = 4.0V, Vbias=2.2V), θ Notes: i. Operation of this device in excess of any of these limits may cause permanent damage. ...

Page 3

Electrical Specifications °C, Vd =4V @ 60mA, R1=300ohm unless otherwise specified. A Symbol Parameter and Test Condition Vbias Operational Gate Voltage, Gain Freq=.75 GHz Freq=.85 GHz Freq=.95 GHz OIP3 Freq=.75 GHz Freq=.85 GHz Freq=.95 GHz NF ...

Page 4

... MGA-632P8 Typical Performance T = +25 ° 4V 60mA, R1=300ohm unless stated otherwise 20mA 40mA 7 60mA 80mA 5 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 Frequency (GHz) Figure 4. Gain Vs Frequency and (mA) Figure 7. Gain Vs Id and Vd ...

Page 5

... MGA-632P8 Typical Performance T = +25 ° 4V 60mA, R1=300ohm unless stated otherwise -40°C -30°C 15 25°C 85°C 10 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 Frequency (GHz) Figure 13. OIP3 vs Frequency and Temperature -40°C -30°C 5 25°C 85° (mA) Figure 16 ...

Page 6

... MGA-632P8 Typical Performance for 1.5 GHz Matching T = +25 ° 4V 60mA Gain 19 0 0.8 17 0.7 16 0.6 15 0.5 14 0.4 13 0.3 12 0 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Frequency (GHz) Figure 22. Gain and NF Vs Frequency MGA-632P8 Typical Performance for 2.6 GHz Matching T = +25 ° 4V 60mA A 18 1 0.9 14 0.8 13 Gain 0 0.6 11 0.5 10 0.4 9 0.3 8 0 2.3 2.4 2.5 2.6 2.7 2 ...

Page 7

Demo Board Layout Figure 28. Demo Board Layout Diagram - Recommended PCB material is 10 mils Rogers RO4350. - Suggested component values may vary according to layout and PCB material. Demo Board Schematic for Table 1 C7 Rbias RFin RFin ...

Page 8

Table 1 List 1 – Demo Board Component values for Demo board Schematic of Fig. 29. These component values are used when measuring electrical specifications and plots of Fig Fig. 21. List 2 – Demo Board Component values ...

Page 9

Measured results Test condition: 4V/60mA, 1.95GHz Refer to Table 1, List 1 for SMT component value and de- scription, unless otherwise stated. Γ Resistor, R1 60ohm 0.48 < 9.4° 56ohm 0.6 <34.° 0kohm 0.40 < 50° Figure 31. Load pull ...

Page 10

Figure 32. Load pull contour plot for R1=56ohm Figure 33. Load pull contour plot for R1=10kohm 0 ...

Page 11

... MGA-632P8 Scattering Parameter and Noise Parameter Test Setup Figure 34. Test Setup for S & Noise Parameters data, C3=1.2pF (Rohm MCH155A1R2CK) Typical Noise Parameter, Vd=4V, Id=60mA, applicable to any R1 due to high reverse isolation Freq FMIN GAMMA (GHz) (dB) Mag 0.9 0.4 0.3 .9 0.55 0.7 .0 0.54 0.7 .4 0.66 0. 3.0 0.77 0.8 Notes: 1. Fmin values at 2 GHz and higher are based on measurements while the Fmins below 2 GHz have been extrapolated. The Fmin values are based on a set of 16 noise figure measurements made at 16 different impedances using an ATN NP5 test system ...

Page 12

... MGA632P8 Typical Scattering Parameters, Vd=4V, Id=60m, R1=56ohm Freq S11 (GHz) Mag Ang 0. 0.96 -0.5 0.5 0.7 -39.5 0.9 0.53 -5.9 .0 0.50 -53.5 .5 0.40 -57. .9 0.36 -57. .0 0.36 -57.5 .5 0.35 -58.3 3.0 0.34 -59.7 3.5 0.34 -6.5 4.0 0.33 -63.8 5.0 0.30 -7.9 6.0 0.6 -86.6 7.0 0.6 -.8 8.0 0.34 -56.0 MGA632P8 Typical Scattering Parameters, Vd=4V, Id=60m, R1=91ohm Freq S11 (GHz) Mag Ang 0. 0.97 -0.0 0.5 0.73 -39.0 0.9 0.53 -5. .0 0.50 -5.8 .5 0.4 -56.3 .9 0.37 -57.7 .0 0.37 -58.0 .5 0.35 -59.6 3.0 0.35 -60.8 3.5 0.34 -6.6 4.0 0.33 -64.5 5.0 0.30 -7.8 6.0 0.6 -86. 7.0 0.6 -.9 8.0 0.34 -56. Notes: 1. S-parameters are measured on PCB. The PCB material is 10 mils Roger RO4350. Figure 34 shows the input and output reference plane. ...

Page 13

... MGA632P8 Typical Scattering Parameters, Vd=4V, Id=60m, R1=300ohm Freq S11 (GHz) Mag Ang 0. 0.96 -0.6 0.5 0.73 -37.7 .0 0.5 -5.7 .5 0.4 -57.6 .9 0.38 -59.6 .0 0.38 -60.3 .5 0.36 -6.3 3.0 0.34 -63.0 3.5 0.33 -64. 4.0 0.3 -65. 5.0 0.9 -7.6 6.0 0.6 -86.0 7.0 0.6 -3. 8.0 0.34 -58.3 MGA632P8 Typical Scattering Parameters, Vd=4V, Id=60m, R1=1.5kohm Freq S11 (GHz) Mag Ang 0. 0.96 -0.0 0.5 0.75 -36.8 0.9 0.57 -50.3 .0 0.54 -5.4 .5 0.43 -58.5 .0 0.38 -6. .5 0.35 -6.9 3.0 0.34 -63.6 3.5 0.33 -64.5 4.0 0.3 -65.6 5.0 0.8 -7.9 6.0 0.6 -85.9 7.0 0.6 -.4 8.0 0.34 -59.0 Notes: 1. S-parameters are measured on PCB. The PCB material is 10 mils Roger RO4350. Figure 34 shows the input and output reference plane. ...

Page 14

... MGA632P8 Typical Scattering Parameters, Vd=4V, Id=60m, R1=10kohm Freq S11 (GHz) Mag Ang 0. 0.96 -9.9 0.5 0.75 -36.8 0.9 0.57 -50.7 .0 0.54 -5.8 .5 0.43 -59.0 .9 0.39 -6.6 .0 0.38 -6.8 .5 0.36 -63.7 3.0 0.34 -64.0 3.5 0.33 -65. 4.0 0.3 -65.8 5.0 0.9 -7.9 6.0 0.6 -86.0 7.0 0.6 -3.0 8.0 0.35 -59. Notes: 1. S-parameters are measured on PCB. The PCB material is 10 mils Roger RO4350. Figure 34 shows the input and output reference plane. 4 S21 S12 Mag Ang Mag 6.06 68. ...

Page 15

... Ordering Information Part Number No. of Devices MGA-63P8-TRG 3000 MGA-63P8-TRG 0000 MGA-63P8-BLKG 00 TSLP2X2 Package Dimension PCB Land Pattern and Stencil Design 2.80 (110.24) 0.70 (27.56) 0.25 (9.84) PIN 1 ∅ 0.20 (7.87) Solder + mask 0.60 (23.62) RF transmission 0.80 (31.50) line 0.15 (5.91) 0.55 (21.65) PCB Land Pattern (top view) All dimensions are in millimeters (mils) Note: 1 mil = 1/1000 inch ...

Page 16

... For product information and a complete list of distributors, please go to our web site: Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Limited in the United States and other countries. Data subject to change. Copyright © 008 Avago Technologies Limited. All rights reserved. Obsoletes AV0-0675EN ...

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