GaAs MMIC. HMC539LP3E Datasheet

HMC539LP3E MMIC. Datasheet pdf. Equivalent

Part HMC539LP3E
Description LSB GaAs MMIC
Feature HMC539LP3 / 539LP3E v00.0605 0.25 dB LSB GaAs MMIC 5-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 4.
Manufacture Analog Devices
Datasheet
Download HMC539LP3E Datasheet



HMC539LP3E
HMC539LP3 / 539LP3E
v00.0605
0.25 dB LSB GaAs MMIC 5-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 4 GHz
5
Typical Applications
Features
The HMC539LP3 / HMC539LP3E is ideal for both RF
and IF applications:
• Cellular Infrastructure
0.25 dB LSB Steps to 7.75 dB
± 0.05 dB Typical Step Error
Low Insertion Loss: 0.7 dB
• ISM, MMDS, WLAN, WiMAX, WiBro
• Microwave Radio & VSAT
• Test Equipment and Sensors
OLETE Functional Diagram
High IP3: +50 dBm
Single Control Line Per Bit
TTL/CMOS Compatible Control
Single +5V Supply
3x3 mm SMT Package
General Discription
The HMC539LP3 & HMC539LP3E are broadband
5-bit GaAs IC digital attenuators in low cost lead-
less surface mount packages. This single positive
control line per bit digital attenuator utilizes an off
chip AC ground capacitor for near DC operation,
making it suitable for a wide variety of RF and IF
applications. Covering DC to 4 GHz, the insertion loss
is less than 0.7 dB typical. The attenuator bit values
are 0.25 (LSB), 0.5, 1, 2, and 4 dB for a total attenu-
ation of 7.75 dB. Attenuation accuracy is excellent
at ± 0.05 dB typical step error. The attenuator also
features a high IIP3 of +50 dBm. Five TTL/CMOS
control inputs are used to select each attenuation
state. A single Vdd bias of +5V is required.
S Electrical Specifications,
TA = +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
B Parameter
Frequency (GHz) Min.
Typ.
O Insertion Loss
DC - 1.5 GHz
0.7
1.5 - 3.0 GHz
1.0
3.0 - 4.0 GHz
1.3
Max.
1.0
1.3
1.7
Units
dB
dB
dB
Attenuation Range
DC - 4 GHz
7.75
dB
Return Loss (RF1 & RF2, All Atten. States)
DC - 3 GHz
25
dB
3.0 - 4.0 GHz
20
dB
Attenuation Accuracy:
(Referenced to Insertion Loss)
All States
DC - 3 GHz
3.0 - 4.0 GHz
± (0.2 + 2% of Atten. Setting) Max.
± (0.2 + 4% of Atten. Setting) Max.
dB
dB
Input Power for 0.1 dB Compression
0.1 - 4.0 GHz
28
dBm
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
0.1 - 4.0 GHz
50
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 4 GHz
48
ns
52
ns
5 - 164
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Trademarks and registered trademarks are the property of their resOpecrtdiveeorwOnerns.-line at www.hAiptptilticea.tcioonmSupport: Phone: 1-800-ANALOG-D



HMC539LP3E
HMC539LP3 / 539LP3E
v00.0605
0.25 dB LSB GaAs MMIC 5-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 4 GHz
Insertion Loss
0
Return Loss RF1, RF2
5
(Only Major States are Shown)
0
-0.5
-9
-1
I.L.dB
4 dB 7.75 dB
-1.5
+25 C
-2
+85 C
-40 C
-2.5
E -3
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
T Normalized Attenuation
(Only Major States are Shown)
0
E -2
L -4
-6
-8
O -10
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
S Bit Error vs. Frequency
(Only Major States are Shown)
B 0.35
0.25
O 0.15
0.5 dB
-18
0.25 dB 0.5 dB 2 dB
1 dB
-27
-36
-45
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
Bit Error vs. Attenuation State
0.5
0.25
3 GHz
4 GHz 40 MHz
0
-0.25
100 MHz
1 GHz 500 MHz
2 GHz
-0.5
0
1
2
3
4
5
6
7
8
ATTENUATION STATE (dB)
Relative Phase vs. Frequency
(Only Major States are Shown)
20
15
10
7.75 dB
4 dB
5
2 dB
0.25 dB
0.05
0
-0.05
-0.15
2 dB
4 dB
1 dB
-0.25
7.75 dB
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
-5
-10
0.25-1 dB
-15
-20
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
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5 - 165





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