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Part: AM55-0016SMB

Category:
 RF & Microwaves
   -> Amplifiers
     -> LNA (Low Noise Amplifiers)

Description:  Low Noise Amplifier

Company: M/A-COM, Inc.

Datasheet: Download AM55-0016SMB datasheet     File size : 342 kB

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Datasheet text preview:
Switched Low Noise Amplifier, 800-1000 MHz

AM55-0016

AM55-0016

Sw itched Low Noise Amplifier 800 - 1000 MHz
Features
·

MSOP-8
R 10 0 ID PIN

· · · ·

High Gain State: - Gain: 16dB, Noise Figure: 1.6dB - Input IP3: +3dBm (@2.7V, 25mA) Low Gain State: - Insertion Loss: 5dB, Input IP3: +24dBm Single Supply: +2.7 to +5 VDC Low Cost MSOP-8 Plastic Package Adjustable current: 10 to 30 mA with external resistor

Functional Block Diagram

0.193

0 118 .020

RF IN

RF OUT

-B-

Description
M/A-COM's AM55-0016 is a high dynamic range, switchable low noise amplifier in a low cost, MSOP 8-lead, surface mount, plastic package. The design utilizes a patented switching technique to provide a low insertion loss, high input IP3 bypass state in parallel with the high gain, low noise state. The LNA employs external input matching to obtain optimum noise figure performance and operating frequency flexibility. The AM55-0016 also features flexible biasing to control the current consumption vs. dynamic range trade-off. Its current can be controlled over a range of 10 mA to 30 mA with an external resistor. Typical applications include receiver front ends in cellular band CDMA handsets. It is also useful as a switched gain block, buffer or driver in portable cellular systems. The AM55-0016 is fabricated using a low-cost 0.5-micron gate length GaAs MESFET process. The process features full passivation for increased performance and reliability.

020

0.0256

0 118 4X 12° 4X 12°

0 034

0 040



0.007 0 013 0 008

0 0215

Ordering Information
Part Number AM55-0016 AM55-0016TR AM55-0016RTR AM55-0016SMB Package MSOP 8-Lead Plastic Package Forward Tape and Reel* Reverse Tape and Reel* Designer's Kit

* If specific reel size is required, consult factory for part number.

Electrical Specifications TA = +25°C, Z0=50, F=881 MHz, PIN= -30 dBm, VDD=2.7 V, IDD=10 mA
Parameter Test Conditions HIGH GAIN STATE, Voltage control = 2.7 volts Gain Noise Figure Input IP3 IDD = 10 mA, VDD = 2.7V IDD = 25 mA, VDD = 2.7V Input VSWR / Output VSWR Reverse Isolation LOW GAIN STATE, Voltage control = 0 volts IDD = 100 µA Insertion Loss Input IP3 Input VSWR Output VSWR
1. Refer to Typical Performance Data for performance versus frequency and bias.
V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

1

Units dB dB dBm dBm -- dB dB dBm -- --

Min. -- -- -- -- -- -- -- -- -- --

Typ. 16 1.6 -2 +3 2.0:1 32 5 +24 2.3:1 2.0:1

Max. -- 1.8 -- -- -- -- -- -- --

www.macom.com

AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.

Switched Low Noise Amplifier, 800-1000 MHz

AM55-0016

Absolute Maximum Ratings
Parameter VDD Input Power Current 2 Channel Temperature Operating Temperature Storage Temperature

1

External Circuitry
VDD C4 C5 C3 C6

Absolute Maximum +6 VDC 0 dBm 30 mA +150°C -40°C to +85°C -65°C to +150°C

1

8 7 6 5

RFIN C1

L1

2 3 4

1. Exceeding any one or combination of these limits may cause permanent damage. 2. Typical thermal resistance (jc) = +99°C/W.

RFOUT C2

External Circuitry Parts List
P ar t C1, C2 C3, C4 C5, C6, C7 L1 RBIAS U1 Value 1000 pF 47 pF 10 nF 22 nH see note 2 UMH9N

1

RBIAS

Purpose Source Bypass By-Pass By-Pass Tunin g Source Bias Resistor Dual Bipolar Transistor

VCTL U1 C7

Pin Configuration
Pin No. 1 2 3 4 5 6 7 8 Pin Name VDD1 IN VS1 GND VS2 OUT VDD2 VCTL Description Stage 1 Supply Voltage RF Input Stage 1 Source RF and DC Ground Stage 2 Source RF Output Stage 2 Supply Voltage Switch Control Voltage

1. All external circuitry parts are readily available, low cost surface mount components (0.040 inches x 0.020 inches or 0.060 inches x 0.030 inches). 2. RBIAS is chosen to set the desired current, For: Idd ~10 mA, R1 = 75 ohms; Idd ~20 mA, R1 = 25 ohms; Idd ~30 mA, R1 = 9 ohms.

Recommended PCB Configuration
Layout View Cross Section View

RF Traces + Components

C3

C5 C7

RF Ground DC Routing

L1 U2 C1 C2 U1

C6 C4

Customer Defined
The PCB dielectric between RF traces and RF ground layers should be chosen to reduce RF discontinuities between 50 lines and package pins. M/A-COM recommends an FR-4 dielectric thickness of 0.008" (0.2 mm) yielding a 50 line width of 0.015" (0.38 mm). The recommended metalization thickness is 1 ounce copper.

RBIAS
V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

www.macom.com

AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.

Switched Low Noise Amplifier, 800-1000 MHz

AM55-0016

Typical Performance Data
Test Conditions: TA = +25°C, Z0 = 50, VDD = 2.7V, IDD = 10mA unless otherwise specified.
HIGH GAIN MODE: Gain versus Current
30mA

19 18 Gain (dB) 17 16 15 14 13

Noise Figure (dB)

20mA

10mA

12 800

850

900 Frequency (MHz)

950

1000

2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 800

HIGH GAIN MODE: Noise Figure versus Current

10mA

30mA

20mA

850

900 Frequency (MHz)

950

1000

7 6 5 4 3 2 1 0 -1 -2 -3 800

HIGH GAIN MODE: Input IP3 vs. Current
25mA

10 8 IIP3 (dBm) 6 4 2 0 -2

HIGH GAIN MODE: IIP3 vs. Current and Voltage
4.0V 3.6V 3.2V 2.7V

IIP3 (dBm)

20mA 10mA

15mA

850

900 Frequency (MHz)

950

1000

10

12

14

16

18 20 22 Current (mA)

24

26

28

30

18 17 16 15 14 13 12 11 10

HIGH GAIN MODE: Gain and Output Power vs. Input Power

6 4 2 0 -2 -4 -6 -8 -10 -10

-26

-24

-22

-20 -18 -16 -14 Input Power (dBm)

-12

-2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0 -6.5 -7.0 800

LOW GAIN MODE: Insertion Loss and Input IP3

850

900 Frequency (MHz)

950

30 29 28 27 26 25 24 23 22 21 20 1000

Output Power (dBm)

Insertion Loss (dB)

Gain (dB)

0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 800

INPUT RETURN LOSS

Low Gain High Gain

850

900 Frequency (MHz)

950

1000

0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 800

OUTPUT RETURN LOSS

Return Loss (dB)

Return Loss (dB)

High Gain Low Gain

850

900 Frequency (MHz)

950

1000

V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

www.macom.com

AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.

IIP3 (dBm)

Switched Low Noise Amplifier, 800-1000 MHz

AM55-0016

Typical Performance Data (continued)
19 18 17 Gain (dB) 16 15 14 13 12 800 850 900 Frequency (MHz) 950 1000
+80C +25C

HIGH GAIN MODE: Gain vs. Temperature
-30C

2.4 2.2 Noise Figure (dB) 2.0 1.8 1.6 1.4 1.2

HIGH GAIN MODE: Noise Figure vs. Temperature

+80C

+25C

1.0 800

-30C

850

900 Frequency (MHz)

950

1000

-4.0 -4.2 -4.4 -4.6 -4.8 -5.0 -5.2 -5.4 -5.6 -5.8 -6.0 800

LOW GAIN MODE: Insertion Loss vs. Temperature
-30C

Insertion Loss (dB)

+25C +80C

850

900 Frequency (MHz)

950

1000

Designer's Kit AM55-0016SMB
The AM55-0016SMB Designer's Kit allows for immediate evaluation of M/A-COM's AM55-0016. The Designer's Kit includes an AM55-0016, an evaluation board and a floppy disk containing typical performance data and a DXF file of the recommended PCB layout. The evaluation board consists of the recommended external surface mount circuitry, RF connectors and a DC multi-pin connector, all mounted to a multi-layer FR-4 PCB. The AM55-0016SMB evaluation PCB is illustrated below with all functional ports labeled.

Evaluation PCB + RF Connector Losses
Port Reference RF IN RF OUT Approximate RF Loss 0.15 dB @ 900 MHz 0.15 dB @ 900 MHz

AM55-0016 Evaluation Board
2 4 6 8 10 GND

The DC connector on the Designer's Kit PCB allows convenient DC line access. This is accomplished by one or more of the following methods: 1. A mating female multi-pin connector (Newark Electronics Stock # 46F-4658, not included). 2. Wires soldered to the necessary pins (not included). 3. Clip leads (not included).

1

3

5

7

9

RF IN

AV10367 REV -

RF OUT

V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

www.macom.com

AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.




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