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HMC472LP4E PDF даташит

Спецификация HMC472LP4E изготовлена ​​​​«Hittite Microwave Corporation» и имеет функцию, называемую «0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR».

Детали детали

Номер произв HMC472LP4E
Описание 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR
Производители Hittite Microwave Corporation
логотип Hittite Microwave Corporation логотип 

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HMC472LP4E Даташит, Описание, Даташиты
HMC472LP4 / 472LP4E
v03.0905
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
Typical Applications
Features
9 The HMC472LP4 / HMC472LP4E is ideal for both RF
0.5 dB LSB Steps to 31.5 dB
and IF applications:
Single Control Line Per Bit
• Cellular; UMTS/3G Infrastructure
TTL/CMOS Compatible Control
• ISM, MMDS, WLAN, WiMAX
+/- 0.25 dB Typical Step Error
• Microwave Radio & VSAT
Single +5V Supply
• Test Equipment and Sensors
4 mm x 4 mm x 1 mm SMT Package
Functional Diagram
General Description
The HMC472LP4 & HMC472LP4E are broadband 6-
bit GaAs IC digital attenuators in low cost leadless
surface mount packages. This single positive control
line per bit digital attenuator incorporates off chip AC
ground capacitors for near DC operation, making it
suitable for a wide variety of RF and IF applications.
Covering DC to 3.0 GHz, the insertion loss is less than
2.0 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 ± 0.25 dB
typical step error with an IIP3 of +45 dBm. Six TTL/
CMOS control inputs are used to select each attenua-
tion state. A single Vdd bias of +5V is required.
www.DataSheet4U.com
Electrical Specifications,
TA = +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
Parameter
Insertion Loss
Attenuation Range
Frequency (GHz)
DC - 1.5 GHz
1.5 - 3.0 GHz
DC - 3.0 GHz
Min.
Typ.
1.5
2.0
31.5
Max.
1.8
2.3
Return Loss (RF1 & RF2, All Atten. States)
DC - 3.0 GHz
15
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
0.5 - 3.5 dB States
4.0 - 31.5 dB States
All Attenuation States
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)
REF - 15.5 dB
States
16.0 - 31.5 dB
States
DC - 1.0 GHz
1.0 - 2.2 GHz
1.0 - 2.2 GHz
2.2 - 3.0 GHz
0.1 - 3.0 GHz
0.1 - 3.0 GHz
DC - 3.0 GHz
± (0.20 + 3% of Atten. Setting) Max.
± (0.25 + 3% of Atten. Setting) Max.
± (0.15 + 4% of Atten. Setting) Max.
± (0.30 + 3% of Atten. Setting) Max.
20
45
35
130
140
Units
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
ns
ns
9 - 152
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com









No Preview Available !

HMC472LP4E Даташит, Описание, Даташиты
HMC472LP4 / 472LP4E
v03.0905
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
Insertion Loss
0
-0.5
+25 C
+85 C
-1 -40 C
-1.5
-2
-2.5
-3
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Normalized Attenuation
(Only Major States are Shown)
0
-5
-10
-15
-20
-25
-30
-35
www.DataSheet4U0.com0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Bit Error vs. Frequency
(Only Major States are Shown)
2
1.5
1
0.5-4 dB
0.5
0
-0.5
-1
8 dB
31.5 dB 16 dB
-1.5
-2
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Return Loss RF1, RF2
(Only Major States are Shown)
0
-5
0.5-16 dB
-10
-15
-20
-25
31.5 dB
-30
-35
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Bit Error vs. Attenuation State
1
0.8
0.6 40 MHz
0.4 500 MHz 3 GHz
0.2
0
-0.2
-0.4
-0.6
-0.8
2 GHz
1 GHz
-1
0 4 8 12 16 20 24 28 32
ATTENUATION STATE (dB)
Relative Phase vs. Frequency
(Only Major States are Shown)
100
80
60
40
31.5 dB
16 dB
20
8 dB
0
-20
0.5-4 dB
-40
0 0.5 1 1.5 2 2.5 3 3.5
FREQUENCY (GHz)
4
9
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
9 - 153









No Preview Available !

HMC472LP4E Даташит, Описание, Даташиты
HMC472LP4 / 472LP4E
v03.0905
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
Worst Case Step Error
Between Successive Attenuation States
91
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Bias Voltage & Current
Vdd = +5.0 Vdc ± 10%
Vdd
(VDC)
Idd (Typ.)
(mA)
+4.5
4.7
+5.0
5.0
+5.5
5.3
www.DataShCeeot4nU.tcrooml Voltage
State
Bias Condition
Low 0 to +0.8 Vdc @ -5 uA Typ.
High
Note: Vdd = +5V
+ 2.0 to + 5.0 Vdc @ 40 uA Typ.
Truth Table
V1
16 dB
Control Voltage Input
V2
8 dB
V3
4 dB
V4
2 dB
V5
1 dB
V6
0.5 dB
Attenua-
tion State
RF1 - RF2
High
High
High
High High
High
Reference
I.L.
High High High High High Low
0.5 dB
High High High High Low High
1 dB
High High High Low High High
2 dB
High High Low High High High
4 dB
High Low High High High High
8 dB
Low High High High High High
16 dB
Low Low Low Low Low Low
31.5 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
9 - 154
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com










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