hittite HMC307QS16G User Manual
查询HMC307供应商
MICROWAVE CORPORATION
Typical Applications
The HMC307QS16G is ideal for:
• Cellular
9
• PCS, ISM, MMDS
• Wireless Local Loop
Functional Diagram
ATTENUATORS - SMT
v06.0503
HMC307QS16G
1dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, DC - 4 GHz
Features
1 dB LSB Steps to 31 dB
Single Control Line Per Bit
+/- 0.5 dB Typical Bit Error
Miniature QSOP-16 Package: 29.4 mm
General Description
The HMC307QS16G is a broadband 5-bit GaAs IC
digital attenuator in a 16 lead QSOP grounded base
surface mount plastic package. Covering DC to 4
GHz, the insertion loss is less then 2 dB typical. The
attenuator bit values are 1 (LSB), 2, 4, 8, and 16 dB
for a total attenuation of 31 dB. Attenuation accuracy is excellent at ± 0.5 dB typical with an IIP3 of up
to +44 dBm. Five bit control voltage inputs, toggled
between 0 and -5V, are used to select each attenuation state at less than 50 uA each. A single V ee bias
of -5V allows operation down to DC . This product is
an excellent alternative to the HMC235QS16G.
2
Electrical Specifi cations, T
Parameter Frequency Min. Typical Max. Units
Insertion Loss DC - 1.4 GHz
Attenuation Range DC - 4.0 GHz 31 dB
Return Loss (RF1 & RF2, All Atten. States) DC - 1.4 GHz
Attenuation Accuracy: (Referenced to Insertion Loss)
1 - 20 dB States
21 - 31 dB States
1 - 15 dB States
16 - 31 dB States
Input Power for 0.1 dB Compression 0.5 - 4.0 GHz 24 dBm
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)
= +25° C, Vee = -5V & VCTL= 0/Vee
A
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 4.0 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 4.0 GHz
DC - 2.7 GHz
DC - 2.7 GHz
2.7 - 4.0 GHz
2.7 - 4.0 GHz
0.5 - 4.0 GHz 44 dBm
DC - 4.0 GHz
11
11
10
8
± 0.2 + 3% of Atten. Setting Max
± 0.3 + 5% of Atten. Setting Max
± 0.3 + 5% of Atten. Setting Max
± 0.6 + 10% of Atten. Setting Max
1.8
1.9
2.0
2.1
15
17
18
15
140
160
2.2
2.4
2.5
2.7
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns
9 - 50
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
MICROWAVE CORPORATION
v06.0503
HMC307QS16G
1 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, DC - 4 GHz
GaAs MMIC SUB-HARMONICALLY PUMPED MIXER 17 - 25 GHz
Return Loss RF1, RF2
Insertion Loss
0
-0.5
-1
-1.5
-2
-2.5
INSERTION LOSS (dB)
-3
-3.5
-4
0 0.5 1 1.5 2 2.5 3 3.5 4
-40 C
+85 C
FREQUENCY (GHz)
+25 C
Normalized Attenuation
(Only Major States are Shown)
0
-5
-10
-15
-20
-25
-30
NORMALIZED ATTENUATION (dB)
-35
0 0.5 1 1.5 2 2.5 3 3.5 4
4 dB
31 dB
8 dB
16 dB
FREQUENCY (GHz)
2 dB
1 dB
(Only Major States are Shown)
0
-5
-10
-15
-20
-25
RETURN LOSS (dB)
-30
-35
-40
0 0.5 1 1.5 2 2.5 3 3.5 4
31 dB
1 dB
FREQUENCY (GHz)
8 dB
Absolute Bit Error
vs. Attenuation State
2
1.5
1
BIT ERROR (dB)
0.5
0
1 4 7 10 13 16 19 22 25 28 31
3.5 GHz
1.9 GHz
0.9 GHz
ATTENUATION STATE (dB)
0.1 GHz
2, 4 dB
16 dB
2.4 GHz
9
ATTENUATORS - SMT
Absolute Bit Error vs. Frequency
(Only Major States are Shown)
2
1.5
1, 2 & 4 dB
1
BIT ERROR (dB)
0.5
0
0 0.5 1 1.5 2 2.5 3 3.5 4
31 dB
16 dB
FREQUENCY (GHz)
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
Relative Phase vs. Frequency
(Only Major States are Shown)
100
80
60
40
8 dB
Order Online at www.hittite.com
20
RELATIVE PHASE (deg.)
0
-20
0 0.5 1 1.5 2 2.5 3 3.5 4
31 dB
16 dB
FREQUENCY (GHz)
8 dB
4 dB
1, 2 dB
9 - 51
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