MICROWAVE CORPORATION
HMC110G16
V
01.0301
GaAs MMIC SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz
F
EBRUARY
2001
Features
BANDWIDTH: DC-2 GHz
BIT LEVELS: 1, 2, 4, 8, 16 dB
General Description
The HMC110G16 is a 5-bit surface mount
hermetically sealed digital attenuator.
Each bit is activated by applying a 0V
control, and then disabled by applying -5 V
control to the specified control pin. The
five primary attenuation states can be ac-
tivated independently, or collectively for a
maximum combined attenuation level of
31 dB. See the non-hermetic wide band
DC - 6 GHz HMC110C14.
2
SMT A
TTENUATORS
FAST SWITCHING: 6 nS
Guaranteed Performance
With 0/-5V Control, -40 to +85 deg C
Parameter
Insertion Loss
Attenuation Range
Return Loss
Attenuation Accuracy:
1 - 7 dB States
8 - 15 dB States
16 - 23 dB States
24 - 31 dB States
Switching Characteristics
tRISE, tFALL (10/90%)
tON, tOFF (50% CTL to 10/90% RF)
Input Power for 0.2 dB Comp
Min Atten:
Max Atten:
Min Atten:
Max Atten:
Freq.
DC-2 GHz
DC-2 GHz
DC-2 GHz
DC-2
DC-2
DC-2
DC-2
GHz
GHz
GHz
GHz
27
10
+ / - 0.5
+ / - 0.6
+ / - 0.8
+ / - 0.8
dB
dB
dB
dB
Min.
Typ.
5
31
17
+/- 8% of Setting Max.
+/- 8% of Setting Max.
+/- 10% of Setting Max.
+/- 12% of Setting Max.
3
6
+22
+ 5
+44
+32
Fax: 978-250-3373
Max.
5.4
Units
dB
dB
dB
dB
dB
dB
dB
ns
ns
dB m
dB m
dB m
dB m
DC-2 GHz
0.5 - 2
Input Third Order Intercept Point
0.5 - 2
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Web Site: www.hittite.com
2-6
HMC110G16
MICROWAVE CORPORATION
HMC110G16 SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz
V
01.0301
F
EBRUARY
2001
Insertion Loss
0
Relative Attenuation
0
RELATIVE ATTENUATION (dB)
-5
-10
-15
-20
-25
-30
-35
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
INSERTION LOSS (dB)
-2
-4
-6
-8
-10
0
0.2
0.4
0.6
0.8
1
1.2
1.4 1.6
1.8
2
FREQUENCY (GHz)
2
SMT A
TTENUATORS
FREQUENCY (GHz)
Relative Phase
90
RELATIVE PHASE (DEG)
Return Loss
-10
-12
-14
-16
-18
-20
50
31 dB
30
10
-10
0
0.5
1
16 dB
8 dB
1 dB, 2 dB, 4 dB
1.5
2
2.5
FREQUENCY
3
3.5
4
RETURN LOSS (dB)
70
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
FREQUENCY (GHz)
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
2-7
HMC110G16
MICROWAVE CORPORATION
HMC110G16 SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz
F
EBRUARY
2001
V
01.0301
Schematic
A1(10) B(9)
A2(8)
A3(7)
A4(6) B4(5)
A5(4) B5(3)
RF1 (11)
RF2 (2)
2
SMT A
TTENUATORS
4dB
1dB
2dB
8dB
16dB
HMC110
GND GND
GND GND
GND GND
GND GND
GND GND
Pins 1, 12 - 16 and package bottom are GND.
Absolute Maximum Ratings
Control Voltage Range
Storage Temperature
Operating Temperature
RF Input Power (0.5 - 4 GHz)
Insertion Loss State
Any Attenuation State
+0.5 to -8.5 Vdc
-65 to +150 deg C
-40 to +125 deg C
+27 dBm
+13 dBm
Truth Table
Control Input
4 dB Bit
A1
Hi
Hi
B1
Lo
Lo
Lo
Hi
Lo
Lo
1dB
A2
Hi
Lo
Hi
Hi
Hi
Hi
2dB
A3
Hi
Hi
Lo
Hi
Hi
Hi
8dB Bit
A4
Hi
Hi
Hi
Hi
Lo
Hi
B4
Lo
Lo
Lo
Lo
Hi
Lo
16dB Bit
A5
Hi
Hi
Hi
Hi
Hi
Lo
B5
Lo
Lo
Lo
Lo
Lo
Hi
Ref
1dB
2dB
4dB
8dB
16dB
Att
Set
Control Voltages
State
Low
High
Bias Condition
0 to -0.2V@20uA Max
-3V@50uA Typ to -8V@500uA Max
Hi
Lo
Hi
Hi
Any combination of above states will provide an attenuation
approximately equal to the sum of the bits selected.
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
2-8
HMC110G16
MICROWAVE CORPORATION
HMC110G16 SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz
V
01.0301
F
EBRUARY
2001
Outline
0.230 SQ
(5.84 SQ)
MAX
A2 A3 A4 B4
0.005
+0.002 /-0.001
16 PLCS
0.050 +/-0.020
16 PLCS
B1
A1
RF1
A5
B5
RF2
0.310 +/-0.012
2 PLCS
2
SMT A
TTENUATORS
2-9
CASE BOTTOM
IS GROUND
0.012 TYP
+/-0.02
16 PLCS
0.070 TYP
0.030 TYP
0.090 TYP
ORIENTATION TAB
PIN 1
0.000/0.006
0.021 TYP
0.065 MAX
1. MATERIAL:
A) PACKAGE BODY - ALUMINA LOADED BOROSILICATE GLASS (#7052 CORNING.)
B) LEADS, BASE, & COVER - KOVAR (TM)
2. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MINIMUM, OVER
ELECTROLYTIC NICKEL 75 MICROINCHES MINIMUM.
3. ALL UNLABELED LEADS ARE GROUND AND PACKAGE BOTTOM
IS RF GROUND
Suggested Driver Circuit
Vz=5.1V
Izt=50uA
COMPENSATED
DEVICES
CD4689
TTL
OR
CMOS
VCC
GND
VCC
GND
74HCT04 (TTL)
74HC04 (CMOS)
100Ω
*
100pF
*
100Ω
*
A
GaAs
ATTENUATOR
CONTROL
10K
B
100pF
*
-5 VDC
Simple driver using inexpensive standard logic ICs provides fast switching using minimum DC current.
* Recommended values to suppress unwanted RF signals at A/B control lines. You may adjust for switching
speed considerations.
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
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