2.0-18.0 GHz GaAs MMIC
Low Noise Amplifier
September 2008 - Rev 28-Sep-08
CMM1100-BD
Chip Device Layout
Features
Self Bias Architecture
16.0 dB Small Signal Gain
3.8 dB Noise Figure
+15.0 dBm P1dB Compression Point
100% Commercial-Level Visual Inspection Using
Mil-Std-883 Method 2010
General Description
Mimix Broadband’s two stage 2.0-18.0 GHz GaAs MMIC
low noise amplifier has a small signal gain of 16.0 dB
with a noise figure of 3.8 dB across the band. This MMIC
uses Mimix Broadband’s GaAs PHEMT device model
technology, and is based upon optical lithography to
ensure high repeatability and uniformity. The chip has
surface passivation to protect and provide a rugged
part with backside via holes and gold metallization to
allow either a conductive epoxy or eutectic solder die
attach process. This device is well suited for fiber optic,
microwave radio, military, space, telecom infrastructure,
test instrumentation and VSAT applications.
Absolute Maximum Ratings
Supply Voltage (Vd)
Supply Current (Id)
Input Power (Pin)
Storage Temperature (Tstg)
Operating Temperature (Ta)
Channel Temperature (Tch)
+8.0 VDC
180 mA
+10 dBm
-65 to +165
O
C
-55 to MTTF Table
1
MTTF Table
1
(1) Channel temperature affects a device's MTTF. It is
recommended to keep channel temperature as low as
possible for maximum life.
Electrical Characteristics (Ambient Temperature T = 25
o
C)
Parameter
Frequency Range (f )
Input Return Loss (S11)
Output Return Loss (S22)
Small Signal Gain (S21)
Gain Flatness ( S21)
Reverse Isolation (S12)
Noise Figure (NF)
Output Power for 1 dB Compression (P1dB)
Output Second Order Intercept Point (OIP2)
Output Third Order Intercept Point (OIP3)
Drain Bias Voltage (Vd1,2)
Supply Current (Id) (Vd1,2=5.0V)
Units
GHz
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
VDC
mA
Min.
2.0
-
-
-
-
-
-
-
-
-
-
90
Typ.
-
9.0
17.0
16.0
+/-1.0
40.0
3.8
+15.0
+41.0
+25.0
+5.0
100
Max.
18.0
-
-
-
-
-
-
-
-
-
+7.0
120
100% on-wafer DC testing and 100% RF wafer qualification. Wafer qualification includes sample testing from each quadrant
with an 80% pass rate required.
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 1 of 5
Characteristic Data and Specifications are subject to change without notice.
©2008
Mimix Broadband, Inc.
Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept
their obligation to be compliant with U.S. Export Laws.
2.0-18.0 GHz GaAs MMIC
Low Noise Amplifier
September 2008 - Rev 28-Sep-08
CMM1100-BD
Low Noise Amplifier Measurements
CMM1100-BD Vd=5.0 V, Id=100 mA
21
20
19
18
CMM1100-BD Vd=5.0 V, Id=100 mA
6.0
5.5
5.0
4.5
Noise Figure (dB)
4.0
3.5
3.0
2.5
2.0
1.5
Gain (dB)
17
16
15
14
13
1.0
12
11
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0
Frequency (GHz)
0.5
0.0
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0
Frequency (GHz)
CMM1100-BD Vd=5.0 V, Id=100 mA
0
CMM1100-BD Vd=5.0 V, Id=100 mA
0
-5
-5
Output Return Loss (dB)
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0
Frequency (GHz)
-10
-15
-20
-25
-30
-35
Input Return Loss (dB)
-10
-15
-20
-25
-40
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0
Frequency (GHz)
CMM1100-BD Vd=5.0 V, Id=100 mA
20
19
18
Output Power P1dB (dBm)
17
16
15
14
13
12
11
10
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0
Frequency (GHz)
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 2 of 5
Characteristic Data and Specifications are subject to change without notice.
©2008
Mimix Broadband, Inc.
Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept
their obligation to be compliant with U.S. Export Laws.
2.0-18.0 GHz GaAs MMIC
Low Noise Amplifier
September 2008 - Rev 28-Sep-08
CMM1100-BD
0.215
(0.009)
0.843
(0.033)
1.508
(0.059)
1.550
(0.061)
1.460
(0.058)
Mechanical Drawing
2 3
4
5
0.418
(0.017)
1
6
0.418
(0.017)
14 13 12 11 10
0.0
0.0
0.356 0.599 0.838
(0.014) (0.024) (0.033)
0.484 0.714
(0.019) (0.028)
9 8 7
1.245 1.480
(0.049) (0.058)
1.360 1.600
(0.054) (0.063)
(Note: Engineering designator is M425)
Units: millimeters (inches) Bond pad dimensions are shown to center of bond pad.
Thickness: 0.076 +/- 0.010 (0.003 +/- 0.0004), Backside is ground, Bond Pad/Backside Metallization: Gold
All DC Bond Pads are 0.080 x 0.080 (0.003 x 0.003). All RF Bond Pads are 0.180 x 0.080 (0.007 x 0.003).
Bond pad centers are approximately 0.109 (0.004) from the edge of the chip.
Dicing tolerance: +/- 0.005 (+/- 0.0002). Approximate weight: 1.538 mg
Bond Pad #1 (RF In)
Bond Pad #2 (Vg1a)
Bond Pad #3 (Vg1b)
Bond Pad #4 (Vd1)
Bond Pad #5 (Vd2)
Bond Pad #6 (RF Out)
Bond Pad #7 (Rs2-9.0 )
Bond Pad #8 (Rs2-12.5 )
Bond Pad #9 (Rs2-12.5 )
Bond Pad #10 (Rs2-Off Chip)
Bond Pad #11 (Rs1-29.0 )
Bond Pad #12 (Rs1-29.0 )
Bond Pad #13 (Rs1-16.6 )
Bond Pad #14 (Rs1-Off Chip)
Bias Arrangement
Vd1,2
Bypass Capacitors
- See App Note [2]
2 3
4
5
RF In
1
6
RF Out
14 13 12 11 10
9 8 7
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 3 of 5
Characteristic Data and Specifications are subject to change without notice.
©2008
Mimix Broadband, Inc.
Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept
their obligation to be compliant with U.S. Export Laws.
2.0-18.0 GHz GaAs MMIC
Low Noise Amplifier
September 2008 - Rev 28-Sep-08
CMM1100-BD
App Note [1] Biasing
- As shown in the bonding diagram, this device operates using a self-biased architecture and only requires one drain
bias. Bias is nominally Vd1=Vd2=5V, I(total)=105mA. Additionally there are six total source resistors on chip. The three resistors on the input
stage are 16.6, 29.0 and 29.0 Ohms. The three resistors on the output stage are 12.5, 12.5 and 9.0 Ohms. One of these must be bonded to
ground for each amplifier stage to achieve performance as shown. Bonding to one of the other resistors or any or all in parallel may allow
additional performance adjustment. Lastly for additional stability pad #3 can be grounded instead of bond pad #2.
App Note [2] Bias Arrangement
- Each DC pad (Vd) needs to have DC bypass capacitance (~100-200 pF) as close to the device as possible.
Additional DC bypass capacitance (~0.01 uF) is also recommended.
MTTF Graphs
These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry.
CMM1100-BD Vd=5.0 V, Id=105 mA
1.0E+09
1.00E+00
CMM1100-BD Vd=5.0 V, Id=105 mA
1.0E+08
MTTF (hours)
1.00E-01
1.0E+07
FITS
1.00E-02
1.00E-03
1.0E+06
1.0E+05
55
65
75
85
95
105
115
125
Backplate Temperature (deg C)
55
65
75
85
95
105
115
125
Baseplate Temperature (deg C)
CMM1100-BD Vd=5.0 V, Id=105 mA
160
150
140
Tch (deg C)
130
120
110
100
90
80
55
65
75
85
95
105
115
125
Backplate Temperature (deg C)
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 4 of 5
Characteristic Data and Specifications are subject to change without notice.
©2008
Mimix Broadband, Inc.
Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept
their obligation to be compliant with U.S. Export Laws.
2.0-18.0 GHz GaAs MMIC
Low Noise Amplifier
September 2008 - Rev 28-Sep-08
Handling and Assembly Information
CMM1100-BD
CAUTION!
- Mimix Broadband MMIC Products contain gallium arsenide (GaAs) which can be hazardous to the
human body and the environment. For safety, observe the following procedures:
• Do not ingest.
• Do not alter the form of this product into a gas, powder, or liquid through burning, crushing, or chemical
processing as these by-products are dangerous to the human body if inhaled, ingested, or swallowed.
• Observe government laws and company regulations when discarding this product. This product must be
discarded in accordance with methods specified by applicable hazardous waste procedures.
Life Support Policy
- Mimix Broadband's products are not authorized for use as critical components in life support
devices or systems without the express written approval of the President and General Counsel of Mimix Broadband. As
used herein: (1) Life support devices or systems are devices or systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user.
(2) A critical component is any component of a life support device or system whose failure to perform can be
reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
ESD
- Gallium Arsenide (GaAs) devices are susceptible to electrostatic and mechanical damage. Die are supplied in
antistatic containers, which should be opened in cleanroom conditions at an appropriately grounded antistatic work-
station. Devices need careful handling using correctly designed collets, vacuum pickups or, with care, sharp tweezers.
Die Attachment
- GaAs Products from Mimix Broadband are 0.076 mm (0.003") thick and have vias through to the
backside to enable grounding to the circuit. Microstrip substrates should be brought as close to the die as possible. The
mounting surface should be clean and flat. If using conductive epoxy, recommended epoxies are Tanaka TS3332LD, Die
Mat DM6030HK or DM6030HK-Pt cured in a nitrogen atmosphere per manufacturer's cure schedule. Apply epoxy
sparingly to avoid getting any on to the top surface of the die. An epoxy fillet should be visible around the total die
periphery. For additional information please see the Mimix "Epoxy Specifications for Bare Die" application note. If
eutectic mounting is preferred, then a fluxless gold-tin (AuSn) preform, approximately 0.001
2
thick, placed between the
die and the attachment surface should be used. A die bonder that utilizes a heated collet and provides scrubbing action
to ensure total wetting to prevent void formation in a nitrogen atmosphere is recommended. The gold-tin eutectic
(80% Au 20% Sn) has a melting point of approximately 280º C (Note: Gold Germanium should be avoided). The work
station temperature should be 310ºC +/- 10ºC. Exposure to these extreme temperatures should be kept to minimum.
The collet should be heated, and the die pre-heated to avoid excessive thermal shock. Avoidance of air bridges and
force impact are critical during placement.
Wire Bonding
- Windows in the surface passivation above the bond pads are provided to allow wire bonding to the
die's gold bond pads. The recommended wire bonding procedure uses 0.076 mm x 0.013 mm (0.003" x 0.0005") 99.99%
pure gold ribbon with 0.5-2% elongation to minimize RF port bond inductance. Gold 0.025 mm (0.001") diameter
wedge or ball bonds are acceptable for DC Bias connections. Aluminum wire should be avoided. Thermo-compression
bonding is recommended though thermosonic bonding may be used providing the ultrasonic content of the bond is
minimized. Bond force, time and ultrasonics are all critical parameters. Bonds should be made from the bond pads on
the die to the package or substrate. All bonds should be as short as possible.
Part Number for Ordering
CMM1100-BD-000V
PB-CMM1100-BD-0000
Description
RoHS compliant die packed in vacuum release gel packs
CMM1100-BD evaluation module
Caution: ESD Sensitive
Appropriate precautions in handling, packaging
and testing devices must be observed.
Proper ESD procedures should be followed when handling this device.
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com
Page 5 of 5
Characteristic Data and Specifications are subject to change without notice.
©2008
Mimix Broadband, Inc.
Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept
their obligation to be compliant with U.S. Export Laws.
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