RF POWER ATTENUATOR
The content of this specification may change without notification 10/16/07
Custom solutions are available.
ATP Series -
RF Power Attenuators
Custom solutions are available. Call us with your specification requirements.
HOW TO ORDER
ATP 53 SL-10 D G M
Packaging
Impedance Tolerance
G =
±2%
Characteristic Impedance
D = 50Ω
C = 75Ω
Attenuation
01 = 1dB
Package Type
D = balanced coaxial
DL = balanced, smd with leads
S = unbalanced coaxial
SL = unbalanced smd with leads
E = balanced with heat sink
Size
53 = 5.00 x 2.70
54 = 5.00 x 3.80
55 = 5.00 x 4.50
84 = 8.00 x 5.25
68 = 6.70 x 8.65
100 = 8..89 x 5.35
120 = 9.53 x 6.35
150 = 11.43 x 7.62
37 = 13.0 x 7.00
FEATURES
4GHz-1/4W, 1.0GHz - 30W, 3.0GHz - 100W, 2.4GHz-
120W, and 2.0GHz - 150W
Surface Mount Small Size Attenuators
50Ω Characteristic Impedance
Face down configuration on strip line show better return
loss characteristics.
Long life and temperature stability of thin film technology
provide better performance at a temperature range from
-55°C ~ +155 °C.
APPLICATIONS
Gain Control Circuits
Power Boost Amplifiers (GHz) Isolation Circuits
Transmission Line Loss Compensation for Data
Communications Systems
Detecting signal control of ATE-LSI test system circuit
board functional test systems
Industrial measurement electronics
Medical scientific electronics
Communications systems
ATP Series
RF Power Attenuators
ELECTRICAL SPECIFICATIONS
Part
Package Type Frequency
ATP37
S, D, DL
DC – 1.0 GHz
ATP53
S, SL
DC – 4.0 GHz
ATP54
D, DL
DC – 4.0 GHz
ATP55
S, D
DC – 4.0 GHz
ATP68
E
DC – 1. 0GHz
ATP84
S, D
DC – 1.0 GHz
ATP100
D, DL
DC – 3.0 GHz
ATP120
D, DL
DC – 2.4 GHz
ATP150
D, DL
DC – 2.0 GHz
* Heat Sink will be required starting 30 WATTS.
Power Rating
1.00 W
0.25 W
0.25 W
0.25 W
30.0 W
0.50 W
100 W
120 W
150 W
Attenuation Availability
1db ~ 10db, 20dB, 30db, 40dB
1db ~ 10db, 20dB, 30db, 40dB
1db ~ 10db, 20dB, 30db, 40dB
1db ~ 10db, 20dB, 30db, 40dB
10 dB, 20 dB, 30dB
1db ~ 10db, 20dB, 30db, 40dB
10 dB, 20 dB, 30dB, 40dB
10 dB, 20 dB, 30dB, 40dB
10 dB, 20 dB, 30dB, 40dB
Attenuation Tolerance
Impedance
dB
1~6
7 ~ 10
20, 30, 40
dB
Tolerance
±0.2
±0.3
±0.4
50Ω
±
1Ω
or
75Ω
±
1Ω
CIRCUIT & INSTALLATION LAYOUTS
Face Down
-
RF Signal will be
propagated straight without reflection
ATP100D, ATP120D, ATP150D
ATP100DL, ATP120DL, ATP150DL
NOTES:
1. In order to cool heat from an attenuator and to connect electrically when you attach the attenuator in a printed circuit a metal plate, reserve
soldering on back side of attenuator and reflowing (re-melting) solder with solder iron are recommended.
2.
In order to prevent diffusion of grounding conductor, please carry out solder processing of an attenuator quickly.
American Accurate Components, Inc.
188 Technology Drive Unit H, Irvine, CA 92618
TEL: 949-453-9888 FAX: 949-453-8889 Email: sales@aacix.com
1
RF POWER ATTENUATOR
The content of this specification may change without notification 10/16/07
PERFORMANCE SPECIFICATION
Item
Characteristic Impedance
Impedance Tolerance
Attenuation Tolerance
TC of Impedance
TC of Attenuation
Temperature Rating
Soldering Heat
Solder Capability
Humidity
Load Life
Operating & Storage Temp.
ATP37, ATP53S,
ATP54D, ATP84
ATP100, ATP120,
ATP150
Test Condition
Available in 75Ω
Input DC resistance in terminating output with resistors
Output DC volt in terminating output with resistor when stable 1V
DC volt source connect to input.
TC of input DC resistance in terminating output with resistor
TC of output DC volt in terminating output with resistor when stable
1V DC volt source connect to input
50Ω default
±2%
Refer to electrical specifications
±50ppm/°C
±50ppm/°C
-55°C ~ +70°C
±1%
95% covered
±1%
±1%
-55°C ~ 155°C
-55°C ~ 100°C
350°C, 3 seconds dipping
Input DC resistance change under condition of 40°C temp.l and 90-
95% RH, rating powering On-90min., Off-30 min., 1000 hours
Input DC resistance change under condition of 70°C temp. rating
power On-90 min., Off-30 min., 1000 hours
DERATING CURVE
MATERIALS
Back Plate Temperature
A
B
C
D
E
Name
Cover
Beam Lead
Contact
Substrate
Conductor
Material
Alumina
Cu Alloy
Epoxy
AIN
Cu
Finish
Au Plating
Tin Plating
RF CHARACTERISTICS – ATP100, ATP120, ATP150
Frequency
MHz
1
3
10
30
100
300
1000
3000
6000
R
50.143
50.199
50.186
50.141
50.049
49.297
42.735
36.666
69.941
S11
X
-9.765m
-44.203
-101.42m
-277.34m
-917.97m
-2.6406
-4.640
20.432
-59.055
R
60.975
60.953
60.99
60.971
60.682
58.473
45.205
60.824
58.973
S21
X
0.0918
0.1523
0.2754
0.7324
2.4414
6.6932
8.1602
-3.0201
-8.752
R
60.959
60.986
60.99
60.971
60.687
58.457
45.199
60.803
58.969
S12
X
0.0859
0.1367
0.2441
0.7168
2.4355
6.6621
8.1582
-3.221
-8.709
R
50.107
50.119
50.092
49.994
49.223
47.293
59.344
46.342
32.661
S22
X
0.0156
0.0586
0.1777
0.5155
0.6194
-8.162
4.335
-23.73
22.164
American Accurate Components, Inc.
188 Technology Drive Unit H, Irvine, CA 92618
TEL: 949-453-9888 FAX: 949-453-8889 Email: sales@aacix.com
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RF POWER ATTENUATOR
The content of this specification may change without notification 10/16/07
RF CHARACTERISTICS – ATP53, ATP54, ATP55, ATP68, ATP85, ATP37
ATP55D-20DGM Impedance
ATP55D-40DGM Impedance
ATP55D-20DGM Attenuation
ATP55D-40DGM Attenuation
ATP55D-20DGM VSWR
ATP55D-40DGM VSWR
American Accurate Components, Inc.
188 Technology Drive Unit H, Irvine, CA 92618
TEL: 949-453-9888 FAX: 949-453-8889 Email: sales@aacix.com
4
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