AM1 Datasheet, PDF (2/5 Pages) List of Unclassifed Manufacturers – High Dynamic Range Gain Block

AM1
Performance Charts (T = 22°C, unmatched device in a 50 ohm system)
Gain vs. Frequency
20
15
10
5
Vds = 4.5 V
Id = 65 mA
0
0 500 1000 1500 2000 2500 3000 3500 4000
Frequency (MHz)
Input/Output Return Loss
0
-5
S11
-10
-15
-20
S22
-25
Vds = 4.5 V
-30
Id = 65 mA
-35
0
500 1000 1500 2000 2500 3000 3500 4000
Frequency (MHz)
Gain and Output Power vs. Input Power
25
Frequency = 1.9 GHz
20
Vds = 4.5 V
Id = 69 mA
15
Output Power (dBm)
10
Gain (dB)
5
0
-5
0
5
10
15
20
Input Power (dBm)
Application Circuit: 0.8 to 2.6 GHz (AM1-PCB)
Typical Specifications
Frequency
Magnitude S21
Magnitude S11
Magnitude S22
OIP3
Noise Figure
Bias
0.9 GHz 1.9 GHz 2.4 GHz
13.4 dB 12.2 dB 11.5 dB
-12.5 dB -13.2 dB -11.4 dB
-21.2 dB -17.8 dB -17.3 dB
37.0 dBm 37 dBm 37 dBm
2.4 dB 2.6 dB 2.8 dBm
Vds = 4.5 V, Id = 75 mA
Schematic
RF IN
C = 56 pF
L = 10 nH
AM1
C = 56 pF
L = 12 nH
3 or more Via
Grounds req.
C = 56 pF
RF OUT
DC 4.5 V
S-Parameters
20
10
S21
0
S11
-10
-20
-30
500
S22
1000
1500
2000
Frequency (MHz)
2500
3000
FR4 Board Layout (T = 14 Mils)
GND
All Trans. Lines Z = 50 Ohm
0603 Package
C = 56 pF
INPUT
OUTPUT
GND
0603 Package
L = 10 nH
0603 Package
L = 12 nH
+4.5 V
0603 Package
C = 56 pF
0603 Package
C = 56 pF
NOTE: The application circuit is designed for wide bandwidth. For narrow band applications, S11 and S21 can be improved with an input shunt microstrip element to ground.
Thermal Specifications
Parameter
Rating
Operating Case Temperature
Thermal Resistance (Maximum)
Junction Temperature
(Recommended Maximum)
-40 to +85°C
88°C/W
+155°C
Notes:
1. Thermal Resistance determined at Maximum Tab Temperature and Maximum Power
Dissipation.
2. Recommended Maximum Junction Temperature insures a MTBF of 1 million hours.
3. Refer to WJ Application Note “AM1 Temperature Effects on Reliability” for more information.
10⁹
10⁸
10⁷
10⁶
10⁵
50
MTBF vs. Temperature
Ground Tab
Junction
75
100
125 150 175
200
Temperature (°C)
WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: [phone] • e-mail: [e-mail] • Web site: www.wj.com
April 2002