GaAs MMIC. HMC425LP3E Datasheet

HMC425LP3E MMIC. Datasheet pdf. Equivalent

Part HMC425LP3E
Description 0.5dB LSB GaAs MMIC
Feature ATTENUATORS - DIGITAL - SMT HMC425LP3 / 425LP3E v03.0409 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSI.
Manufacture Analog Devices
Datasheet
Download HMC425LP3E Datasheet



HMC425LP3E
HMC425LP3 / 425LP3E
v03.0409
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz
5
Typical Applications
The HMC425LP3 / HMC425LP3E is ideal for:
• WLAN & Point-to-Multi-Point
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military
Features
0.5 dB LSB Steps to 31.5 dB
Single Control Line Per Bit
± 0.5 dB Typical Bit Error
Single +5V Supply
3x3 mm SMT Package
Functional Diagram
General Description
The HMC425LP3 & HMC425LP3E are broadband
6-bit GaAs IC digital attenuators in low cost leadless
surface mount packages. Covering 2.2 to 8.0 GHz,
the insertion loss is less then 3.8 dB typical. The
attenuator bit values are 0.5 (LSB), 1, 2, 4, 8, and
16 dB for a total attenuation of 31.5 dB. Attenuation
accuracy is excellent at ± 0.5 dB typical step error
with an IIP3 of +40 dBm. Six control voltage inputs,
toggled between 0 and +3 to +5V, are used to select
each attenuation state. A single Vdd bias of +3 to +5V
is required.
5 - 116
Electrical Specifications,
TA = +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
Parameter
Insertion Loss
Attenuation Range
Frequency
Min.
Typ.
Max.
(GHz)
2.2 - 6.0 GHz
6.0 - 8.0 GHz
3.5
3.8
3.8
4.3
2.2 - 8.0 GHz
31.5
Return Loss (RF1 & RF2, All Atten. States)
2.2 - 8.0 GHz
15
Attenuation Accuracy:
(Referenced to Insertion Loss)
Input Power for 0.1 dB Compression
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
All States
Vdd = 5V
Vdd = 3V
REF - 16.0 dB States
16.5 - 31.5 dB States
2.2 - 8.0 GHz
2.2 - 8.0 GHz
2.2 - 8.0 GHz
2.2 - 8.0 GHz
± 0.5 + 5% of Atten. Setting Max.
22
19
45
35
160
180
Units
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
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Order On-line Trademarks and registered trademarks are the property of their respective owners. at www.hAiptptilticea.tcioonmSupport: Phone: 1-800-ANALOG-D



HMC425LP3E
HMC425LP3 / 425LP3E
v03.0409
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz
Insertion Loss
0
-2
-4
+25 C
-6
+85 C
-40 C
-8
Return Loss RF1, RF2
5
(Only Major States are Shown)
0
0.5 dB
8 dB
-5
1 dB
16 dB
2 dB
31.5 dB
4 dB
-10
-15
-20
-10
1 2 3 4 5 6 7 8 9 10
FREQUENCY (GHz)
-25
1 2 3 4 5 6 7 8 9 10
FREQUENCY (GHz)
Normalized Attenuation
(Only Major States are Shown)
0
-5
-10
-15
-20
0.5 dB
8 dB
1 dB
16 dB
-25
2 dB
31.5 dB
4 dB
-30
-35
1 2 3 4 5 6 7 8 9 10
FREQUENCY (GHz)
Bit Error vs. Attenuation State
2
1
0
-1
2.4 GHz
3.5 GHz
5.5 GHz
8.0 GHz
-2
0
4
8 12 16 20 24 28 32
ATTENUATION STATE (dB)
Bit Error vs. Frequency
(Only Major States are Shown)
2
1.5
1
0.5
0
-0.5
-1
0.5 dB
8 dB
1 dB
16 dB
-1.5
2 dB
4 dB
31.5 dB
-2
1 2 3 4 5 6 7 8 9 10
FREQUENCY (GHz)
Relative Phase vs. Frequency
(Only Major States are Shown)
80
0.5 dB
60
1 dB
2 dB
4 dB
40
8 dB
16 dB
31.5 dB
20
0
-20
-40
1 2 3 4 5 6 7 8 9 10
FREQUENCY (GHz)
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Order On-line Trademarks and registered trademarks are the property of their respective owners. at www.hAiptptilticea.tcioonmSupport: Phone: 1-800-ANALOG-D
5 - 117





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