GaAs MMIC. HMC424 Datasheet

HMC424 MMIC. Datasheet pdf. Equivalent

Part HMC424
Description 0.5dB LSB GaAs MMIC
Feature ATTENUATORS - DIGITAL - CHIP 1 1-8 v06.0809 HMC424 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, .
Manufacture Analog Devices
Datasheet
Download HMC424 Datasheet



HMC424
1
1-8
v06.0809
HMC424
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 13 GHz
Typical Applications
Features
The HMC424 is ideal for:
0.5 dB LSB Steps to 31.5 dB
• Fiber Optics & Broadband Telecom
Single Control Line Per Bit
• Microwave Radio & VSAT
±0.5 dB Typical Bit Error
• Military Radios, Radar & ECM
Die Size: 1.45 x 0.85 x 0.1 mm
• Space Applications
LETE Functional Diagram
General Description
The HMC424 die is a broadband 6-bit GaAs IC digital
attenuator MMIC chip. Covering DC to 13 GHz, the
insertion loss is less then 4 dB typical. The attenua-
tor 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
+32 dBm. Six control voltage inputs, toggled bet-
ween 0 and -5V, are used to select each attenuation
state. A single Vee bias of -5V allows operation at fre-
quencies down to DC.
BSO Electrical Specifications, TA = +25° C, With Vee = -5V & VCTL = 0/-5V
Parameter
Frequency (GHz)
Min.
Typ.
O Insertion Loss
DC - 8.0 GHz
3.0
8.0 - 13.0 GHz
4.0
Max.
3.8
4.6
Units
dB
dB
Attenuation Range
DC - 13.0 GHz
31.5
dB
Return Loss (RF1 & RF2, All Atten. States)
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
DC - 8.0 GHz
8
12
dB
8.0 - 13.0 GHz
11
15
dB
0.5 - 7.5 dB States
8 - 31.5 dB States
REF State
All Other States
DC - 13.0 GHz
DC - 13.0 GHz
1.0 - 13.0 Ghz
1.0 - 13.0 Ghz
DC - 13.0 GHz
± 0.3 + 4% of Atten. Setting Max
± 0.3 + 6% of Atten. Setting Max
22
46
32
dB
dB
dBm
dBm
dBm
tRISE, tFALL (10/90% RF)
tON/tOFF (50% CTL to 10/90% RF)
30
ns
50
ns
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Order On-line Trademarks and registered trademarks are the property of their respective owners. at www.hApitptilitcea.tcioonmSupport: Phone: 1-800-ANALOG-D



HMC424
v06.0809
HMC424
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 13 GHz
Insertion Loss
0
Return Loss RF1, RF2
(Only Major States are Shown)
1
0
-2
-5
0.5 dB
1 dB
2 dB
4 dB
8 dB
-4
-10
16 dB
31.5 dB
-6
-8
-10
E 0
+25 C
+85 C
-55 C
3
6
9
12
15
FREQUENCY (GHz)
T Normalized Attenuation
(Only Major States are Shown)
0
E -5
-10
L -15
-20
0.5 dB
8 dB
1 dB
16 dB
-25
2 dB
31.5 dB
4 dB
O -30
-35
S 0
3
6
9
12
15
FREQUENCY (GHz)
Bit Error vs. Frequency
(Only Major States are Shown)
B 2
0.5 dB
8 dB
1
1 dB
16 dB
O2 dB
31.5 dB
-15
-20
-25
0
3
6
9
12
FREQUENCY (GHz)
Bit Error vs. Attenuation State
2
0.1 GHz
1
4 GHz
8 GHz
13 GHz
0
-1
-2
0
4
8 12 16 20 24 28
ATTENUATION STATE (dB)
Relative Phase vs. Frequency
(Only Major States are Shown)
100
0.5 dB
80
1 dB
2 dB
4 dB
15
32
4 dB
60
8 dB
16 dB
31.5 dB
0
40
20
-1
0
-2
0
3
6
9
12
15
FREQUENCY (GHz)
-20
0
3
6
9
12
15
FREQUENCY (GHz)
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Order On-line Trademarks and registered trademarks are the property of their respective owners. at www.hAipttpiltieca.ctioonmSupport: Phone: 1-800-ANALOG-D
1-9





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