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PDF HMC424A Data sheet ( Hoja de datos )
| Número de pieza | HMC424A | |
| Descripción | 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Typical Applications
The HMC424A is ideal for:
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar & ECM
• Space Applications
HMC424A
v01.1115
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 13 GHz
Features
0.5 dB LSB Steps to 31.5 dB
Single Control Line Per Bit
±0.5 dB Typical Bit Error
Die Size: 1.45 x 0.85 x 0.1 mm
Functional Diagram
General Description
The HMC424A die is a broadband 6-bit GaAs IC digi-
tal 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
+42 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.
Electrical Specifications, TA = +25° C, With Vee = -5V & VCTL = 0/-5V
Parameter
Insertion Loss
Attenuation Range
Return Loss (RF1 & RF2, All Atten. States)
Attenuation Accuracy: (Referenced to Insertion Loss)
Frequency (GHz)
DC - 8.0 GHz
8.0 - 13.0 GHz
DC - 13.0 GHz
DC - 8.0 GHz
8.0 - 13.0 GHz
Min.
8
11
Typ. Max.
3.4 4.0
4.2 4.6
31.5
12
15
0.5 - 31.5 dB states DC - 13.0 GHz ± (0.3 + 6% of Atten. Setting) Max
Input Power for 0.1 dB Compression
Input Third Order Intercept Point
(Two-Tone Input Power= 15 dBm Each Tone)
1.0 - 13.0 GHz
REF State
All Other States
1.0 - 13.0 GHz
24
46
42
Units
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON/tOFF (50% CTL to 10/90% RF)
DC - 13.0 GHz
30 ns
50 ns
Information furnished by Analog Devices is believed to be accurate and reliable. However, no For price, delivery, and to place orders: Analog Devices, Inc.,
1 responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
1 page  
Outline Drawing
HMC424A
v01.1115
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 13 GHz
1. ALL DIMENSIONS ARE IN INCHES (MILLIMETERS).
2. TYPICAL BOND PAD IS .004” SQUARE.
3. TYPICAL BOND PAD SPACING IS .006”
CENTER TO CENTER EXCEPT AS NOTED.
4. BACKSIDE METALIZATION: GOLD
5. BACKSIDE METAL IS GROUND
6. BOND PAD METALIZATION: GOLD
Pad Descriptions
Pad Number
Function
GND
1, 3 RF1, RF2
2 VEE
Description
Die bottom must be connected to RF ground.
This pad is DC coupled and matched to 50 Ohm. Blocking
capacitors are required if RF line potential is not equal to 0V.
Supply Voltage -5V ± 10%
Interface Schematic
4, 5, 6, 7, 8, 9
V1 - V6
See truth table and control voltage table.
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
5
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HMC424A.PDF ] | |
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