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PDF HMC541LP3E Data sheet ( Hoja de datos )
| Número de pieza | HMC541LP3E | |
| Descripción | 10 dB GaAs MMIC 1-BIT DIGITAL POSITIVE CONTROL ATTENUATOR | |
| Fabricantes | Hittite Microwave | |
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HMC541LP3 / 541LP3E
v01.1005
10 dB GaAs MMIC 1-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 5.0 GHz
Typical Applications
Features
6 The HMC541LP3 / HMC541LP3E is ideal for both RF
and IF applications:
+/- 0.2 dB Typical Step Error
Low Insertion Loss: 1.0 dB
• Cellular Infrastructure
High IP3: +50 dBm
• ISM, MMDS, WLAN, WiMAX, WiBro
Single Control Line
• Microwave Radio & VSAT
TTL/CMOS Compatible Control
• Test Equipment and Sensors
Single +5V Supply
3x3 mm SMT Package
Functional Diagram
General Description
The HMC541LP3 & HMC541LP3E are broadband
1-bit GaAs IC digital attenuators in low cost lead-
less surface mount packages. This single posi-
tive control line digital attenuator utilizes off chip
AC ground capacitors for near DC operation,
making it suitable for a wide variety of RF and IF
applications. Covering DC to 5.0 GHz, the insertion
loss is less than 1.0 dB typical. Attenuation accuracy is
www.DataSheet4U.com
excellent at ± 0.2 dB typical step error. The attenuator
also features a high IIP3 of +50 dBm. One TTL/CMOS
control input is used to select the attenuation state. A
single Vdd bias of +5V is required.
Electrical Specifications,
TA = +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
Parameter
Insertion Loss
Attenuation Range
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
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
Frequency (GHz)
DC - 2.0 GHz
2.0 - 3.5 GHz
3.5 - 5.0 GHz
DC - 5.0 GHz
DC - 2.5 GHz
2.5 - 5.0 GHz
DC - 5.0 GHz
0.1 - 5.0 GHz
0.1 - 5.0 GHz
Min.
DC - 5.0 GHz
Typ.
0.5
1.0
2.0
10
25
15
± 0.4 Max.
27
50
20
23
Max.
0.8
1.3
2.3
Units
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
ns
ns
6 - 176
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
1 page  
HMC541LP3 / 541LP3E
v01.1005
10 dB GaAs MMIC 1-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 5.0 GHz
6
Pin Descriptions
Pin Number
Function
1 Vdd
2, 11
RF1, RF2
3, 4, 6, 7,
9, 10, 12,
13, 15, 16
5, 8
N/C
ACG1, ACG2
Description
Supply Voltage.
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required.
Select value based on lowest frequency of operation.
These pins should be connected to PCB RF ground to
maximize performance.
External capacitor to ground is required. Select value for
lowest frequency of operation. Place capacitor as close
to pins as possible.
Interface Schematic
14 V1
See truth table and control voltage table.
GND
Application Circuit
Package bottom has an exposed metal paddle that must be
connected to RF Ground.
Recommended Component Values
C1 - C3
1,000 pF ± 10%
C4, C5
330 pF ± 10%
6 - 180
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
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HMC541LP3E.PDF ] | |
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