Silicon Bipolar MMIC
Cascadable Amplifier
Features
q
q
MA4TD0885, MA4TD0886
V3.00
Case Style 85
GROUND
4
q
q
q
q
Cascadable 50Ω Gain Block
High Gain: 32.5 dB Typical @ 0.1 GHz
18.0 dB Typical @ 1.0 GHz
Low Noise Figure: 3.3 dB Typical @ 1.0 GHz
Unconditionally Stable (k>1)
Low Cost Plastic and SMT Packages
Tape and Reel Packaging Available
.085
2.16
RF INPUT
1
RF OUTPUT
AND BIAS
3
4X
.020
0.51
GROUND
2
Description
M/A-COM’s MA4TD0885 and MA4TD0886 are high per-
formance silicon bipolar MMIC Cascadable Amplifiers
housed in low cost plastic packages. The MA4TD0885
and MA4TD0886 are designed for use where a general
purpose 50Ω gain block with high gain and low noise
figure is required. Typical applications include narrow
and wide band IF and RF amplifiers in industrial and
commercial applications. The MA4TD0886 is designed
for surface mount usage and is normally supplied on
tape and reel.
The MA4TD0885 and MA4TD0886 chip is fabricated
using a 10 GHz f
T
silicon bipolar technology that fea-
tures gold metalization and IC passivation for increased
performance and reliability.
TYPICAL POWER GAIN vs FREQUENCY
35
30
25
.060
±
.010
1.52
±
0.25
.500
±
.030
12.7
±
0.76
.060
±
.010
1.52
±
0.25
.020
0.51
4X
.008
±
.002
0.2
±
0.05
Case Style 86
GROUND
4
RF OUTPUT
AND BIAS
3
4X
2
GROUND
.085
2.16
1
RF INPUT
.020
0.51
.205
±
.030
5.21
±
0.76
4X
.008
±
.002
0.2
±
0.05
Id = 36 mA
GAIN (dB)
.026
0.66
20
15
10
5
0
0.1
1
10
(unless otherwise specified)
Dimensions are in/mm
Tolerance: in .xxx = ±.005; mm .xx = ±.13
Not to scale
Absolute Maximum Ratings
1
Parameter
Device Current
Power Dissipation
2,3
RF Input Power
Junction Temperature
Storage Temperature
Ratings
65 mA
500 mW
+20 dBm
150°C
-65°C to +150°C
FREQUENCY (GHz)
Pin Configuration
Pin Number
1
2&4
3
Pin Description
RF Input
AC/DC Ground
RF Output and DC Bias
Thermal Resistance: =
θ
jc
= 140°C/W
1. Exceeding these limits may cause permanent damage.
2. Case Temperature (T
C
) = 25°C.
3. Derate at 7.1 mW/°C for T
C
> 80°C.
Specifications Subject to Change Without Notice.
1
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
M/A-COM, Inc.
Asia/Pacific: Tel. +81 3 3263 8761
Fax +81 3 3263 8769
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
Silicon Bipolar MMIC Cascadable Amplifier
Electrical Specifications
@ T
A
= +25°C, I
d
= 36 mA, Z
0
= 50Ω
Symbol
Gp
Parameters
Power Gain (|S
21
|
2
)
Input SWR
Output SWR
Output Power @ 1 dB Gain Compression
50Ω Noise Figure
Third Order Intercept Point
Group Delay
Device Voltage
Device Voltage Temperature Coefficient
Test Conditions
f = 0.1 GHz
f = 1.0 GHz
SWRin
SWRout
P
-1dB
NF
IP
3
t
D
Vd
dV/dT
f = 0.5 to 2.0 GHz
f = 0.5 to 2.0 GHz
f = 1.0 GHz
f = 1.0 GHz
f = 1.0 GHz
f = 1.0 GHz
-
-
Units
dB
dB
-
-
dBm
dB
dBm
ps
V
mV/°C
MA4TD0885, MA4TD0886
V3.00
Min.
-
17.0
-
-
-
-
-
-
6.2
-
Typical
32.5
18.5
1.8
2.0
13.5
3.3
27.0
125
7.8
-17.0
Max.
-
19.0
-
-
-
-
-
-
8.4
-
Typical Bias Configuration
Rbias
Id =
Vcc - Vd
Rbias
4
C (DC Block)
IN
1
MA4TD0885
MA4TD0886
V
CC
> 10 V
RFC (Optional)
3
C (DC Block)
OUT
Vd = 7.8 V
2
Ordering Information
Model No.
MA4TD0885 PIN
MA4TD0885 TR
MA4TD0886 PIN
MA4TD0886 TR
Package
Case Style 85 Plastic
Case Style 85 Forward Tape & Reel
Case Style 86 Plastic
Case Style 86 Forward Tape & Reel
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
2
Asia/Pacific: Tel. +81 3 3263 8761
Fax +81 3 3263 8769
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
Silicon Bipolar MMIC Cascadable Amplifier
MA4TD0885, MA4TD0886
V3.00
Typical Performance Curves
@ I
d
= 36 mA, T
A
= +25°C (unless otherwise noted)
DEVICE CURRENT
VS
DEVICE VOLTAGE
DEVICE CURRENT (mA)
RETURN LOSS (dB)
40
35
30
25
20
15
10
5
0
0
2
4
6
8
10
1
-1
-3
-5
-7
-9
-11
-13
-15
0.1
1
10
RETURN LOSS
VS
FREQUENCY
INPUT
OUTPUT
DEVICE VOLTAGE (V)
FREQUENCY (GHz)
POWER GAIN
VS
CURRENT
35
30
P
OUT
@ 1 dB GAIN COMPRESSION
VS
FREQUENCY
P
OUT
@ 1 dB (dBm)
0.1 GHz
18
16
14
12
10
8
6
4
0.1
1
GAIN (dB)
25
20
15
10
5
0
10
20
30
40
50
1.0 GHz
2.0 GHz
3.0 GHz
Id = 40 mA
Id = 36 mA
10
DEVICE CURRENT (mA)
FREQUENCY (GHz)
REVERSE ISOLATION (dB)
NOISE FIGURE
VS
FREQUENCY
4.5
REVERSE ISOLATION
VS
FREQUENCY
0
-5
-10
-15
-20
-25
-30
-35
-40
0.1
1
10
NOISE FIGURE (dB)
Id = 20 mA
4.0
3.5
3.0
2.5
0.1
1
10
Id = 36 mA
Id = 40 mA
FREQUENCY (GHz)
FREQUENCY (GHz)
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
3
Asia/Pacific: Tel. +81 3 3263 8761
Fax +81 3 3263 8769
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
Silicon Bipolar MMIC Cascadable Amplifier
MA4TD0885
Typical Scattering Parameters
Z
0
= 50 , T
A
= +25°C, I
d
= 36 mA
Frequency
(GHz)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.5
2.0
2.5
3.0
Mag.
0.507
0.434
0.369
0.356
0.343
0.344
0.343
0.333
0.327
0.333
0.350
0.400
0.422
0.441
S
11
Angle
-44.5
-78.9
101.0
-116.9
-128.0
-139.4
-144.4
-149.6
-155.7
-158.9
-171.1
173.3
163.5
155.9
Mag.
36.53
28.40
22.10
17.87
14.95
12.59
11.06
9.80
8.83
7.92
5.49
4.20
3.29
2.80
S
21
Angle
151.1
130.8
119.0
110.1
104.5
99.4
95.8
92.1
88.9
86.7
75.2
65.0
56.4
50.0
Mag.
0.022
0.033
0.041
0.051
0.056
0.066
0.071
0.076
0.084
0.091
0.123
0.155
0.164
0.193
S
12
MA4TD0885, MA4TD0886
V3.00
S
22
Angle
42.7
48.6
43.3
54.9
53.3
52.3
60.1
58.4
64.6
59.0
57.4
59.1
61.0
63.4
Mag.
0.539
0.472
0.428
0.391
0.383
0.375
0.369
0.358
0.339
0.345
0.309
0.287
0.228
0.181
Angle
-47.7
-82.9
-105.7
-123.3
-136.4
-144.9
-152.7
-160.1
-163.8
-169.3
175.4
164.2
155.1
158.3
MA4TD0886
Typical Scattering Parameters
Z
0
= 50 , T
A
= +25°C, I
d
= 36 mA
Frequency
(GHz)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.5
2.0
2.5
3.0
Mag.
0.499
0.452
0.402
0.351
0.300
0.271
0.256
0.249
0.245
0.244
0.259
0.284
0.313
0.345
S
11
Angle
-70.2
-81.1
-92.9
-105.9
-119.8
-129.8
-137.8
-144.4
-149.6
-154.6
-171.2
176.6
165.5
156.3
Mag.
34.68
30.58
26.16
21.51
16.68
13.56
11.45
9.94
8.79
7.88
5.21
3.89
3.10
2.65
S
21
Angle
127.7
121.1
113.8
106.0
97.6
91.7
86.9
82.9
79.2
75.8
60.8
47.7
35.7
26.1
Mag.
0.030
0.034
0.040
0.048
0.056
0.064
0.072
0.079
0.087
0.095
0.130
0.160
0.187
0.207
S
12
Angle
52.9
53.1
53.7
54.2
54.8
55.8
56.4
56.5
56.5
56.1
51.9
46.5
41.3
36.6
Mag.
0.520
0.480
0.440
0.400
0.360
0.340
0.330
0.320
0.310
0.300
0.280
0.250
0.220
0.210
S
22
Angle
-80.3
-92.6
-106.2
-120.8
-136.2
-147.3
-155.6
-162.3
-167.9
-172.3
172.5
165.5
162.9
163.9
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
4
Asia/Pacific: Tel. +81 3 3263 8761
Fax +81 3 3263 8769
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020