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PDF HMC425LP3 Data sheet ( Hoja de datos )
| Número de pieza | HMC425LP3 | |
| Descripción | 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR/ 2.4 - 8.0 GHz | |
| Fabricantes | Hittite Microwave Corporation | |
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v00.0202 HMC425LP3
MICROWAVE CORPORATION
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, 2.4 - 8.0 GHz
Typical Applications
The HMC425LP3 is ideal for:
9 • WLAN & Point-to-Multi-Point
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military
Functional Diagram
Features
0.5 dB LSB Steps to 31.5 dB
Single Control Line Per Bit
+/- 0.5 dB Typical Bit Error
Single +5V Supply
3 mm x 3 mm x 1 mm SMT Package
General Description
The HMC425LP3 is a broadband 6-bit GaAs IC
digital attenuator in a low cost leadless surface
mount package. Covering 2.4 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. Attenua-
tion accuracy is excellent at ± 0.5 dB typical step
error with an IIP3 of +40 dBm. Six control volt-
age 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.
Electrical Specifications,
TA = +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
Parameter
Frequency
(GHz)
Min.
Typ.
Max.
Insertion Loss
2.4 - 6.0 GHz
6.0 - 8.0 GHz
3.0 3.5
3.8 4.3
Attenuation Range
2.4 - 8.0 GHz
31.5
Return Loss (RF1 & RF2, All Atten. States)
2.4 - 8.0 GHz
11
15
Attenuation Accuracy:
(Referenced to Insertion Loss)
All States 2.4 - 8.0 GHz
± 0.5 + 5% of Atten. Setting Max.
Input Power for 0.1 dB Compression
Vdd = 5V
Vdd = 3V
2.4 - 8.0 GHz
22
19
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
REF - 16.0 dB States
16.5 - 31.5 dB States
2.4 - 8.0 GHz
45
35
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
2.4 - 8.0 GHz
160
180
Units
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
9 - 92
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
1 page  
v00.0202
HMC425LP3
MICROWAVE CORPORATION
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, 2.4 - 8.0 GHz
9
Pin Descriptions
Pin Number
Function
Description
1, 3, 10, 12
GND
Package bottom has an exposed metal paddle that must also
be connected to RF Ground.
2, 11
RFIN, RFOUT
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required.
Interface Schematic
4, 5, 6, 7, 8, 9
V1 - V6
See truth table and control voltage table.
13, 14, 16
15
N/C
Vdd
This pin should be connected to PCB RF ground to
maximize performance.
Supply Voltage.
9 - 96
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HMC425LP3.PDF ] | |
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