HMC812LC4_11 [HITTITE]
GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, 5 - 30 GHz; 砷化镓MMIC压控衰减器， 5 - 30 GHz的
| 型号： | HMC812LC4_11 |
| 厂家： | 
HITTITE MICROWAVE CORPORATION |
| 描述： | GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, 5 - 30 GHz |
| 文件： | 总8页 (文件大小：474K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
8
Typical Applications
Features
Widꢀ Baꢁdwidꢂh: 5 - 30 GHz
thꢀ HMC812LC4 iꢆ idꢀal fꢅꢃ:
• Point-to-Point Radio
• VSAT Radio
excꢀllꢀꢁꢂ Liꢁꢀaꢃiꢂy: +28 dBm Iꢁpꢄꢂ IP3
High Pꢅwꢀꢃ Haꢁdliꢁg: +25 dBm Iꢁpꢄꢂ P1dB
Widꢀ Aꢂꢂꢀꢁꢄaꢂiꢅꢁ raꢁgꢀ: 30 dB
• Test Instrumentation
• Microwave Sensors
• Military, ECM & Radar
24 Lꢀad Cꢀꢃamic 4x4 mm sMt Packagꢀ: 16mm²
Functional Diagram
General Description
The HMC812LC4 is an absorptive Voltage Variable
Attenuator (VVA) which operates from 5 - 30 GHz
aꢁd iꢆ idꢀal iꢁ dꢀꢆigꢁꢆ whꢀꢃꢀ aꢁ aꢁalꢅg DC cꢅꢁꢂꢃꢅl
ꢆigꢁal mꢄꢆꢂ bꢀ ꢄꢆꢀd ꢂꢅ cꢅꢁꢂꢃꢅl rF ꢆigꢁal lꢀvꢀlꢆ ꢅvꢀꢃ a
30 dB ampliꢂꢄdꢀ ꢃaꢁgꢀ. Iꢂ fꢀaꢂꢄꢃꢀꢆ ꢂwꢅ ꢆhꢄꢁꢂ-ꢂypꢀ
aꢂꢂꢀꢁꢄaꢂꢅꢃꢆ which aꢃꢀ cꢅꢁꢂꢃꢅllꢀd by ꢂwꢅ aꢁalꢅg vꢅl-
tages, Vctrl1 and Vctrl2. Optimum linearity perfor-
maꢁcꢀ ꢅf ꢂhꢀ aꢂꢂꢀꢁꢄaꢂꢅꢃ iꢆ achiꢀvꢀd by fiꢃꢆꢂ vaꢃyiꢁg
Vctrl1 of the 1st attenuation stage from -3V to 0V
with Vctrl2 fixed at -3V. The control voltage of the
2nd attenuation stage, Vctrl2, should then be varied
from -3V to 0V, with Vctrl1 fixed at 0V. The HMC812LC4
iꢆ hꢅꢄꢆꢀd iꢁ a rꢅHs cꢅmpliaꢁꢂ 4x4 mm QFn lꢀad-
lꢀꢆꢆ cꢀꢃamic packagꢀ
However, if the Vctrl1 and Vctrl2 pins are connected
ꢂꢅgꢀꢂhꢀꢃ iꢂ iꢆ pꢅꢆꢆiblꢀ ꢂꢅ achiꢀvꢀ ꢂhꢀ fꢄll aꢁalꢅg aꢂꢂꢀꢁ-
ꢄaꢂiꢅꢁ ꢃaꢁgꢀ wiꢂh ꢅꢁly a ꢆmall dꢀgꢃadaꢂiꢅꢁ iꢁ iꢁpꢄꢂ
IP3 pꢀꢃfꢅꢃmaꢁcꢀ. Applicaꢂiꢅꢁꢆ iꢁclꢄdꢀ AGC ciꢃcꢄiꢂꢆ
aꢁd ꢂꢀmpꢀꢃaꢂꢄꢃꢀ cꢅmpꢀꢁꢆaꢂiꢅꢁ ꢅf mꢄlꢂiplꢀ gaiꢁ ꢆꢂagꢀꢆ
in microwave point-to-point and VSAT radios.
Electrical Specifications, TA = +25° C, 50 Ohm system
Paꢃamꢀꢂꢀꢃ
Miꢁ.
typ.
Max.
uꢁiꢂꢆ
5 - 16 GHz
16 - 24 GHz
24 - 30 GHz
2
3
4
dB
dB
dB
Iꢁꢆꢀꢃꢂiꢅꢁ Lꢅꢆꢆ
Aꢂꢂꢀꢁꢄaꢂiꢅꢁ raꢁgꢀ
30
12
8
dB
dB
Iꢁpꢄꢂ rꢀꢂꢄꢃꢁ Lꢅꢆꢆ
oꢄꢂpꢄꢂ rꢀꢂꢄꢃꢁ Lꢅꢆꢆ
dB
Input Power for 1 dB Compression (any attenuation)
25
dBm
Iꢁpꢄꢂ thiꢃd oꢃdꢀꢃ Iꢁꢂꢀꢃcꢀpꢂ
(Two-tone Input Power = 10 dBm Each Tone)
28
dBm
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 1
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
Attenuation vs. Frequency over Vctrl
Vctrl1 = Variable, Vctrl2 = -3V
Attenuation vs. Frequency over Vctrl
Vctrl1 = 0V, Vctrl2 = Variable
8
0
0
-5
-10
-15
-10
-20
-30
-3.0 V
-1.8 V
-1.4 V
-0.8 V
0.0 V
-3.0 V
-2.0 V
-20
-25
-40
-1.6 V
-1.0 V
0.0 V
-50
2
6
10
14
18
22
26
30
2
6
10
14
18
22
26
30
FREQUENCY (GHz)
FREQUENCY (GHz)
Attenuation vs. Vctrl1
Attenuation vs. Vctrl2
Over Temperature @ 10 GHz, Vctrl2 = -3V
Over Temperature @ 10 GHz, Vctrl1 = 0V
0
0
-5
+25 C
-3
-6
+85 C
-40 C
-10
-15
-20
-25
-30
-35
-9
+25 C
+85 C
-40 C
-12
-15
-3
-2.5
-2
-1.5
-1
-0.5
0
-3
-2.5
-2
-1.5
-1
-0.5
0
Vctrl1 (V)
Vctrl2 (V)
Attenuation vs. Pin @ 10 GHz
Input Return Loss
Vctrl1 = Variable, Vctrl2 = -3V
Vctrl1 = Variable, Vctrl2 = -3V
0
0
-3
-6
-10
-20
-30
-40
-9
-12
-3.0 V
-1.6 V
0.0 V
-3.0 V
-1.8 V
-1.4 V
-0.8 V
0.0 V
-15
-18
0
3
6
9
12
15
18
2
6
10
14
18
22
26
30
INPUT POWER (dBm)
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 2
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
Output Return Loss
Vctrl1 = Variable, Vctrl2 = -3V
Input Return Loss
Vctrl1 = 0V, Vctrl2 = Variable
8
0
0
-10
-10
-20
-3.0 V
-1.6 V
0.0 V
-20
-30
-3.0 V
-1.6 V
0.0 V
-30
-40
2
6
10
14
18
22
26
30
2
6
10
14
18
22
26
30
FREQUENCY (GHz)
FREQUENCY (GHz)
Output Return Loss
Input IP3 vs Input Power @ 10 GHz
Vctrl1 = 0V, Vctrl2 = Variable
Vctrl1 = Variable, Vctrl2 = -3V
0
60
50
40
30
-10
-20
-3.0 V
-2.6 V
-2.2 V
-1.8 V
0.0 V
-3.0 V
-1.4 V
0.0 V
20
10
-30
2
6
10
14
18
22
26
30
0
3
6
9
12
15
18
FREQUENCY (GHz)
SINGLE TONE INPUT POWER (dBm)
Input IP3 vs. Input Power Over Frequency
Input IP3 vs. Input Power Over Temperature
Vctrl1 = -2.2V, Vctrl2 = -3V (Worst Case IP3)
@ 10 GHz, Vctrl1 = -2.2V, Vctrl2 = -3V
35
35
30
30
5 GHz
+25 C
10 GHz
25
25
+85 C
20 GHz
30 GHz
-40 C
20
20
0
3
6
9
12
15
18
0
3
6
9
12
15
18
SINGLE TONE INPUT POWER (dBm)
SINGLE TONE INPUT POWER (dBm)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 3
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
Attenuation vs. Vctrl over Temperature
@ 10 GHz, Vctrl1 = Vctrl2
Attenuation vs. Frequency over Vctrl
Vctrl1 = Vctrl2
8
0
0
-10
-20
-10
-20
-30
+25 C
-3.0 V
-30
+85 C
-1.8 V
-40
-40 C
-1.4 V
-0.8 V
0.0 V
-50
-40
2
6
10
14
18
22
26
30
-3
-2.5
-2
-1.5
-1
-0.5
0
FREQUENCY (GHz)
CONTROL VOLTAGE (V)
Attenuation vs. Input Power over Vctrl
Vctrl1 = Vctrl2
Input Return Loss, Vctrl1 = Vctrl2
0
0
-10
-20
-30
-10
-20
-30
-3.0 V
-1.8 V
-1.4 V
-0.8 V
0.0 V
-3.0 V
-1.6 V
0.0 V
-40
-50
-40
0
3
6
9
12
15
18
2
6
10
14
18
22
26
30
INPUT POWER (dBm)
FREQUENCY (GHz)
Input IP3 vs. Input Power Over
Vctrl @ 10 GHz, Vctrl1 = Vctrl2
Output Return Loss, Vctrl1 = Vctrl2
0
60
50
40
30
20
10
0
-10
-20
-3.0 V
-2.6 V
-2.2 V
-1.8 V
0.0 V
-3.0 V
-1.6 V
0.0 V
-30
2
6
10
14
18
22
26
30
0
3
6
9
12
15
18
FREQUENCY (GHz)
SINGLE TONE INPUT POWER (dBm)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 4
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
8
Absolute Maximum Ratings
Control Voltages
rF Iꢁpꢄꢂ Pꢅwꢀꢃ
+30 dBm
Vctrl1
-3 to 0V @ 10 µA
Control Voltage Range
Chaꢁꢁꢀl tꢀmpꢀꢃaꢂꢄꢃꢀ
+1 to -5V
Vctrl2
-3 to 0V @ 10 µA
150 °C
1.07 W
Continuous Pdiss (T = 85 °C)
(derate 16.4 mW/ °C above 85 °C)
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
thꢀꢃmal rꢀꢆiꢆꢂaꢁcꢀ
(Channel to ground paddle)
61 °C/W
sꢂꢅꢃagꢀ tꢀmpꢀꢃaꢂꢄꢃꢀ
opꢀꢃaꢂiꢁg tꢀmpꢀꢃaꢂꢄꢃꢀ
-65 ꢂꢅ +150 °C
-40 ꢂꢅ +85 °C
Outline Drawing
notes:
1. PACKAGe BoDY MAterIAL: ALuMInA.
2. LEAD AND GROUND PADDLE PLATING: GOLD FLASH OVER NICKEL.
3. DIMENSIONS ARE IN INCHES (MILLIMETERS).
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
5. PACKAGe WArP sHALL not eXCeeD 0.05MM DAtuM – C –
6. ALL GrounD LeADs AnD GrounD PADDLe Must Be soLDereD to
PCB rF GrounD.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 5
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
8
Pin Descriptions
Piꢁ nꢄmbꢀꢃ
Fꢄꢁcꢂiꢅꢁ
n/C
Dꢀꢆcꢃipꢂiꢅꢁ
These pins are not connected internally, however these
Iꢁꢂꢀꢃfacꢀ schꢀmaꢂic
1, 2, 6 - 8,
11 - 13, 17 - 24
piꢁꢆ mꢄꢆꢂ bꢀ cꢅꢁꢁꢀcꢂꢀd ꢂꢅ rF/DC gꢃꢅꢄꢁd ꢀxꢂꢀꢃꢁally.
thꢀꢆꢀ piꢁꢆ aꢁd ꢂhꢀ ꢀxpꢅꢆꢀd gꢃꢅꢄꢁd paddlꢀ mꢄꢆꢂ bꢀ cꢅꢁ-
ꢁꢀcꢂꢀd ꢂꢅ rF/DC gꢃꢅꢄꢁd.
3, 5, 14, 16
GnD
rFIn
4
thiꢆ pad iꢆ DC cꢅꢄplꢀd aꢁd maꢂchꢀd ꢂꢅ 50 ohmꢆ.
A blꢅckiꢁg capaciꢂꢅꢃ iꢆ ꢃꢀqꢄiꢃꢀd if rF liꢁꢀ pꢅꢂꢀꢁꢂial
is not equal to 0V.
15
rFout
9
Vctrl1
Control Voltage 1
Control Voltage 2
10
Vctrl2
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 6
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
8
Application Circuit
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 7
HMC812LC4
v02.0911
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 30 GHz
8
Evaluation PCB
List of Materials for Evaluation PCB 123768 [1]
thꢀ ciꢃcꢄiꢂ bꢅaꢃd ꢄꢆꢀd iꢁ ꢂhꢀ fiꢁal applicaꢂiꢅꢁ ꢆhꢅꢄld
ꢄꢆꢀ rF ciꢃcꢄiꢂ dꢀꢆigꢁ ꢂꢀchꢁiqꢄꢀꢆ. sigꢁal liꢁꢀꢆ
ꢆhꢅꢄld havꢀ 50 ohm impꢀdaꢁcꢀ whilꢀ ꢂhꢀ packagꢀ
gꢃꢅꢄꢁd lꢀadꢆ aꢁd ꢀxpꢅꢆꢀd paddlꢀ ꢆhꢅꢄld bꢀ cꢅꢁ-
ꢁꢀcꢂꢀd diꢃꢀcꢂly ꢂꢅ ꢂhꢀ gꢃꢅꢄꢁd plaꢁꢀ ꢆimilaꢃ ꢂꢅ ꢂhaꢂ
ꢆhꢅwꢁ. A ꢆꢄfficiꢀꢁꢂ ꢁꢄmbꢀꢃ ꢅf via hꢅlꢀꢆ ꢆhꢅꢄld bꢀ
ꢄꢆꢀd ꢂꢅ cꢅꢁꢁꢀcꢂ ꢂhꢀ ꢂꢅp aꢁd bꢅꢂꢂꢅm gꢃꢅꢄꢁd plaꢁꢀꢆ.
thꢀ ꢀvalꢄaꢂiꢅꢁ ciꢃcꢄiꢂ bꢅaꢃd ꢆhꢅwꢁ iꢆ availablꢀ fꢃꢅm
Hiꢂꢂiꢂꢀ ꢄpꢅꢁ ꢃꢀqꢄꢀꢆꢂ.
Iꢂꢀm
Dꢀꢆcꢃipꢂiꢅꢁ
J1, J2
J3, J4
C1, C2
C3, C4
C5, C6
u1
2.9 mm PC Mꢅꢄꢁꢂ rF Cꢅꢁꢁꢀcꢂꢅꢃ
DC Piꢁ
100 pF Capacitor, 0402 Pkg.
1000 pF Capacitor, 0402 Pkg.
4.7 µF Capacitor, CASE A
HMC812LC4 Analog VVA
123766 evalꢄaꢂiꢅꢁ PCB
[2]
PCB
[1] rꢀfꢀꢃꢀꢁcꢀ ꢂhiꢆ ꢁꢄmbꢀꢃ whꢀꢁ ꢅꢃdꢀꢃiꢁg cꢅmplꢀꢂꢀ ꢀvalꢄaꢂiꢅꢁ PCB
[2] Ciꢃcꢄiꢂ Bꢅaꢃd Maꢂꢀꢃial: Aꢃlꢅꢁ 25Fr ꢅꢃ rꢅgꢀꢃꢆ 4350
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
8 - 8
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