AMMC-6140-W10 [BOARDCOM]
20â40 GHz Output x2 Active Frequency Multiplier;
| 型号： | AMMC-6140-W10 |
| 厂家： | 
Broadcom Corporation. |
| 描述： | 20â40 GHz Output x2 Active Frequency Multiplier |
| 文件： | 总6页 (文件大小：424K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AMMC-6140
20 – 40 GHz Output x2 Active Frequency Multiplier
Data Sheet
Chip Size:
1300 x 900 µm (51 x 35 mils)
10 µm ( 0.4 mils)
100 10 µm (4 0.4 mils)
120 x 80 µm (5x3 0.4 mils)
Chip Size Tolerance:
Chip Thickness:
Pad Dimensions:
Description
Features
Avago’s AMMC-6140 is an easy-to-use x2 active frequency
multiplier MMIC designed for commercial communica-
tion systems. The MMIC takes a 10 to 20 GHz input signal
and doubles it to 20 to 40 GHz. It could also be used
• Input frequency range: 10–20 GHz
• Broad input power range: -9 to +7 dBm
• Output power: -1 to 0 dBm (Pin=+4dB)
between 9–10 GHz and 20–22 GHz with slight degrada- • Fundamental suppression of 25 dBc
tion in Conversion Loss or Fundamental Suppression. It
has an integrated matching, harmonic suppression, and
bias network. The input/output are matched to 50Ω and
• 50Ω input and output match
• Supply bias of -1.2V, 4.5V and 27 mA
fully DC blocked. The MMIC is fabricated using PHEMT
technology. The backside of this die is both RF and DC
ground. This helps simplify the assembly process and
Applications
• Microwave radio systems
reduces assembly-related performance variations and
costs. For improved reliability and moisture protection,
the die is passivated at the active areas. This MMIC is a
cost effective alternative to bulky hybrid FET and diode
doublers that require high input drive levels, have high
conversion loss and poor fundamental suppression.
• Satellite VSAT, DBS Up/Down Link
• LMDS & Pt-Pt mmW Long Haul
• Broadband Wireless Access
(including 802.16 and 802.20 WiMax)
• WLL and MMDS loops
Absolute Maximum Ratings[1]
Symbol Parameters/Conditions
Units
V
Min.
Max.
7
Vd
Positive Drain Voltage
Gate Supply Voltage
Drain Current
Attention: Observe precautions for
handling electrostatic sensitive devices.
ESD Machine Model (Class A)
ESD Human Body Model (Class 0)
Refer to Avago Application Note A004R:
Electrostatic Discharge Damage and Control.
Vg
V
-3.0
0.5
Id
mA
dBm
°C
-3
Pin
Tch
Tstg
Tmax
CW Input Power
15
Operating Channel Temperature
Storage Case Temperature
+150
+150
+300
°C
-65
Maximum Assembly Temp
(60 sec max)
°C
Note:
1. Operation in excess of any one of these conditions may result in
permanent damage to this device.
AMMC-6140 DC Specifications/Physical Properties[1]
Symbol Parameters and Test Conditions
Units
mA
V
Min.
Typ.
27
Max.
40
Id
Drain Supply Current (under any RF power drive and temperature) (Vd= 4.5V)
Vg
Gate Supply Operating Voltage
-1.5
-1.2
25
-1.0
θch-b
Thermal Resistance[2] (Backside Temp. Tb = 25°C)
°C/W
Notes:
1. Ambient operational temperature TA= 25°C unless otherwise noted.
2. Channel-to-backside Thermal Resistance (θch-b) = 26°C/W at Tchannel (Tc) = 34°C as measured using infrared microscopy. Thermal Resistance at
backside temperature (Tb) = 25°C calculated from measured data.
RF Specifications[3, 4, 5] (TA = 25°C, Vd = 4.5 V, Id(Q)= 27 mA, Z0 = 50Ω)
Symbol
Fin
Parameters and Test Conditions
Input Frequency
Units
GHz
GHz
dBm
Minimum
Typical
10 to 20
20 to 40
-1
Sigma
Fout
Po
Output Frequency
Output Power[6]
-2
0.4
Fo
Fundamental Isolation (referenced to Po): 20–36 GHz
36–40 GHz
dBc
dBc
20
14
30
16
5.0
1.0
3Fo
3rd Harmonic Isolation (referenced to Po)
Output Power at 1dB Gain Compression
Input Return Loss[6]
dBc
25
1.2
P-1dB
RLin
RLout
SSB
dBm
dB
+5
-15
-10
-135
Output Return Loss[6]
dB
Single Sideband Phase Noise (100 KHz offset)
dBc/Hz
Notes:
3. Small/large signal data measured in wafer form TA = 25°C.
4. 100% on-wafer RF test is done at Pin = +4 dBm and output frequency = 20, 28, 36 and 40 GHz.
5. Specifications are derived from measurements in a 50Ω test environment. Aspects of the multiplier performance may be improved over a nar-
rower bandwidth by application of additional matching.
Typical distribution of Pout, 2nd Harmonic and 3rd Harmonic Suppression (Fin=14 GHz).
Based on 2500 parts sampled over several production lots.
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
-2
-1
3Fo Suppression (dBm) @ 42 GHz
2Fo Pout (dBm) @ 28G Hz
Fo Suppression (dBm) @ 14 GHz
2
AMMC-6140 Typical Performances (TA = 25°C, Vd =4 .5V, ID = 27 mA, Vg = -1.2V, Zin = Zout = 50Ω unless otherwise stated)
NOTE: These measurements are in a 50Ω test environment. Aspects of the multiplier performance may be improved
over a narrower bandwidth by application of additional conjugate, linearity, or low noise (Γopt) matching.
5
0
2
0
0
-5
-5
O/P Freq=2*Fin
-10
-15
-20
-25
-30
-35
-40
-45
Fundamental
3H
4H
-2
-4
-6
-8
-10
-10
-15
-20
-25
-30
Pin=-2 dBm
Pin=0 dBm
Pin=+2 dBm
Pin=+4 dBm
Pin=+5 dBm
S11
S22
16
20
24
28
32
36
40 44
16
20
24
28
32
36
40 44
4
12
20
28
36
44
OUTPUT FREQUENCY (GHz)
OUTPUT FREQUENCY (GHz)
FREQUENCY (GHz)
Figure 1. Typical Output Power against
Figure 2. Typical Output Power at different
Figure 3. Typical Input & Output Return Loss.
Fundamental, 3rd, and 4th Harmonic suppression Fundamental Input Power vs. Frequency.
(Pin=3 dBm) vs. Frequency.
5
5
5
-5
-5
-5
2H=22 GHz
3H
4H
Fin
-15
-25
-35
-45
-55
-15
-25
-35
-45
-55
-15
-25
-35
2H=30 GHz
3H
Fin
-45
-55
2H=38 GHz
Fin
-11 -9
-7 -5
-3 -1
1
3
5
-11 -9
-7 -5
-3 -1
1
3
5
-11 -9
-7 -5
-3 -1
1
3
5
Pin (dBm)
Pin (dBm)
Pin (dBm)
Figure 4. Typical Output Power against
Fundamental 3rd and 4th Harmonic
suppression vs. Pin (2H=22 GHz).
Figure 5. Typical Output Power against
Fundamental and 3rd Harmonic vs. Pin
(2H=30 GHz).
Figure 6. Typical Output Power against
Fundamental vs. Pin (2H=38 GHz).
5
0
5
0
10
0
-5
-5
2H (@-40°C)
2H (@4.0V)
2H (@+25°C
-10
-10
-10
-15
-20
-25
-30
-35
-40
2H (@4.5V)
2H (@5.0V)
1H (@4.0V)
1H (@4.5V)
1H (@5.0V)
2H (@+85°C
2H (@Vg=-1.0)
2H (@Vg=-1.2)
2H (@Vg=-1.4)
1H (@Vg=-1.0)
1H (@Vg=-1.2)
1H (@Vg=-1.4)
1H (@-40°C)
-15
1H (@+25°C
-20
-30
-40
-50
1H (@+85°C)
-20
-25
-30
-35
-40
16
20
24
28
32
36
40 44
16
20
24
28
32
36
40 44
-11 -9
-7 -5
-3 -1
1
3
5
OUTPUT FREQUENCY (GHz)
OUTPUT FREQUENCY (GHz)
Pin (dBm)
Figure 7. Typical Output Power and
Fundamental Suppression vs. Temperature.
Figure 8. Typical Output Power and
Fundamental Suppression vs. Vdd.
Figure 9. Typical Pout and Fundamental
Suppression vs. Vg (Fout=38 GHz).
3
Biasing and Operation
Assembly Techniques
The backside of the MMIC chip is RF ground. For mi-
crostrip applications the chip should be attached directly
to the ground plane (e.g. circuit carrier or heatsink) using
M/N
@ 2fo
M/N
@ fo
S
electrically conductive epoxy[1,2]
.
For best performance, the topside of the MMIC should be
brought up to the same height as the circuit surrounding
it. This can be accomplished by mounting a gold plate
metal shim (same length and width as the MMIC) under
the chip which is of correct thickness to make the chip
and adjacent circuit the same height. The amount of
epoxy used for the chip and/or shim attachment should
be just enough to provide a thin fillet around the bottom
perimeter of the chip or shim. The ground plane should
be free of any residue that may jeopardize electrical or
mechanical attachment.
A. Diff. Amp
Active Balun
The frequency doubler MMIC consists of a differential am-
plifier circuit that acts as an active balun. The outputs of
this balun feed the gates of balanced FETs and the drains
are connected to form the single-ended output. This
results in the fundamental frequency and odd harmon-
ics canceling and the even harmonic drain currents (in
phase) adding in superposition. Node ‘S’ acts as a virtual
ground. An input matching network (M/N) is designed to
provide good match at fundamental frequencies and pro-
duces high impedance mismatch at higher harmonics.
The location of the RF bond pads is shown in Figure
12. Note that all the RF input and output ports are in a
Ground-Signal-Ground configuration.
AMMC-6140 is biased with a single positive drain supply
and single negative gate supply using separate bypass
capacitors. It is normally biased with the drain supply
connected to the VDD bond pad and the gate supply
connected to the Vgg bond pad. It is important to have
the 100 pF bypass capacitor and it should be placed as
close to the die as possible. Typical bias connections are
shown in Figure 12. For most of the application it is rec-
ommended to use a Vg=-1.2V and Vd=4.5V.
RF connections should be kept as short as reasonable to
minimize performance degradation due to undesirable
series inductance. A single bond wire is normally suf-
ficient for signal connections, however double bonding
with 0.7 mil gold wire or use of gold mesh is recom-
mended for best performance, especially near the high
end of the frequency band.
Thermosonic wedge bonding is the preferred method
for wire attachment to the bond pads. Gold mesh can
be attached using a 2 mil round tracking tool and a tool
force of approximately 22 grams and a ultrasonic power
of roughly 55 dB for a duration of 76 8 mS. The guided
wedge at an untrasonic power level of 64 dB can be used
for 0.7 mil wire. The recommended wire bond stage tem-
perature is 150 2°C.
The AMMC-6140 performance changes very slightly with
Drain (Vd) and Gate bias (Vg) as shown in Figures 8 and
9. Minor improvements in performance are possible for
output power or fundamental suppression by optimizing
the Vg from -1.0V to -1.4V and/or Vd from 4.0 to 5.0V.
The RF input and output ports are AC coupled, thus no
DC voltage is present at either port. However, the RF
output port has an internal output matching circuit that
presents a DC short. Proper care should be taken while
biasing a sequential circuit to the AMMC-6140 as it might
cause a DC short (Use a DC block if sub sequential circuit
is not AC coupled). No ground wires are needed since
ground connections are made with plated through-holes
to the backside of the device.
Caution should be taken to not exceed the Absolute
Maximum Rating for assembly temperature and time.
The chip is 100 µm thick and should be handled with care.
This MMIC has exposed air bridges on the top surface and
should be handled by the edges or with a custom collet
(do not pick up the die with a vacuum on die center).
This MMIC is also static sensitive and ESD precautions
should be taken.
Refer to the Absolute Maximum Ratings table for allowed
DC and thermal conditions.
Notes:
1. Ablebond 84-1 LM1 silver epoxy is recommended.
2. Eutectic attach is not recommended and may jeopardize reliability
of the device
4
RFout
RFin
Figure 10. AMMC-6140 simplified schematic.
1090
650
0
Vgg
Vdd
900
620
RFI
395
RFO
0
(Dimensions in µm)
1300
0
Figure 11. AMMC-6140 Bonding Pad Locations.
5
Vg
Vd
100 pF
Vg
Vd
50 ohm
RFI
RF
50 ohm
Figure 12. AMMC-6140 Assembly Diagram.
Note: 0.1uF capacitors on gate and drain lines, not shown, required.
Ordering Information
AMMC-6140-W10 = 10 devices per tray
AMMC-6140-W50 = 50 devices per tray
For product information and a complete list of distributors, please go to our web site: www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies Limited in the United States and other countries.
Data subject to change. Copyright © 2005-2008 Avago Technologies Limited. All rights reserved. Obsoletes 5989-3946EN
AV02-0701EN - June 23, 2008
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