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PDF HMC273MS10GE Data sheet ( Hoja de datos )
| Número de pieza | HMC273MS10GE | |
| Descripción | 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR | |
| Fabricantes | Analog Devices | |
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HMC273MS10G / 273MS10GE
v04.0907
1 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.7 - 3.8 GHz
5
Typical Applications
The HMC273MS10G(E) is ideal for:
• Cellular; UMTS/3G Infrastructure
• ISM, MMDS, WLAN, WiMAX
• Microwave Radio & VSAT
• Test Equipment and Sensors
Features
RoHs Compliant Product
1 dB LSB Steps to 31 dB
Single Positive Control Per BIT
±0.2 dB Typical Bit Error
Miniature MSOP 10 Package: 14.8mm2
Included in the HMC-DK004 Designer’s Kit
Functional Diagram
General Description
The HMC273MS10G(E) is a general purpose
broadband 5-Bit positive control GaAs IC digital
attenuator in a 10 lead MSOP plastic package.
Covering 0.7 to 3.8 GHz, the insertion loss is typically
less than 2.5 dB. The attenuator bit values are
1 (LSB), 2, 4, 8, and 16 dB for a total attenuation
of 31 dB. Accuracy is excellent at ±0.2 dB typical
with an IIP3 of up to +48 dBm. Five bit control vol-
tage inputs, toggled between 0 and +3 to +5 volts, are
used to select each attenuation state. A single Vdd
bias of +3 to +5 volts applied through an external
5K Ohm resistor is required.
Electrical Specifications,
TA = +25° C, Vdd = +3V to +5V & Vctl = 0/Vdd (Unless Otherwise Stated)
Parameter
Frequency
Min. Typical Max.
Insertion Loss
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 3.7 GHz
3.7 - 3.8 GHz
1.8 2.4
2.3 2.9
2.8 3.4
3.5 4.2
3.9 4.4
Attenuation Range
0.7 - 3.8 GHz
31
Return Loss (RF1 & RF2, All Atten. States)
0.7 - 1.4 GHz
1.4 - 2.7 GHz
2.7 - 3.8 GHz
11
12
10
17
20
14
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
All Attenuation States
All Attenuation States
All Attenuation States
0.7 - 1.4 GHz
1.4 - 2.2 GHz
2.2 - 2.7 GHz
2.7 - 3.8 GHz
± (0.30 + 3% of Atten. Setting) Max
± (0.30 + 4% of Atten. Setting) Max
± (0.40 + 5% of Atten. Setting) Max
± (0.50 + 5% of Atten. Setting) Max
Input Power for 0.1 dB Compression
Vdd = 5V
Vdd = 3V
0.7 - 3.8 GHz
27
22
Input Third Order Intercept Point
(Two-tone Input Power = 0 dBm Each Tone)
Vdd = 5V
Vdd = 3V
0.7 - 3.8 GHz
48
46
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.7 - 3.8 GHz
560
600
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
5 - 22
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1 page  
v04.0907
HMC273MS10G / 273MS10GE
1 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.7 - 3.8 GHz
5
Evaluation Circuit Board
* R2 - R6 = 100 Ohm.
These resistors are optional
and may be used to enhance
decoupling of the RF path
from the control inputs.
List of Materials for Evaluation PCB 103393 [1]
Item
J1 - J2
J3 - J6
R1
R2, R3, R4
C1, C2
Description
PCB Mount SMA Connector
DC Pin
5k Ohm Resistor, 0402 Chip
100 Ohm Resistor, 0402 Chip
0402 Chip Capacitor, Select for Lowest
Frequency of Operation
The circuit board used in the final application
should use RF circuit design techniques. Signal
lines should have 50 ohm impedance while the
package ground leads and exposed ground paddle
should be connected directly to the ground plane
similar to that shown below. A sufficient number
of via holes should be used to connect the top
HMC273MS10G / HMC273MS10GE
U1
Digital Attenuator
PCB [2]
103391 Evaluation PCB 1.5” x 1.5”
[1] Reference this number when ordering complete evaluation PCB
and bottom ground planes. The evaluation circuit
board as shown is available from Hittite Microwave
Corporation upon request.
[2] Circuit Board Material: Rogers 4350
5 - 26
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rrlTiiecgrasehpdntseosemnosfaiisbtrhkigislrirtdayannpisdtaeardrtesiegsbsuiysmttheimear2edtpdml0bictyaraayAAtdiorneenlamspluooalhrgtrkofaDrstoheamevRrreicwitetosihsseuaefsopedurr.noi,dtSpsepeCurretscyaheinfo,iyecfnatoplhtrmiaeoftinoer ssrnretasfsnOouopyrberjiprcendadtcfirvtt,ieeentnogMotrecwrmhiOgnAaeehnnrtngsst0s.e-o1olwfif8Ainpthn2aeoatue4lotnagntsPotDotiehwcrveooi.ctwheNnesowr.e:.h9OPAihp7ntopte8inltiT-ecee2:a.c57tcih8o0on1no-m-S33lo2u3g9py4-p4W3o7ra0ty:0F,Pa•Ph.xOoOn:r.de9B:e7o1r x-8o8n9-0l12i0n05-e6A0,aNN-tA3woLr3wOw7wGo3o.-adDn,aMloAg.0c2o0m62-9106
5 Page | ||
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