Surface Mount
Monolithic Amplifier
50Ω,
DC to 1000 MHz
Features
•
•
•
•
•
•
•
EW!
N
MAR-8ASM
exact footprint substitute** MAR-8SM and MSA-0886
high gain, 31.5 dB at 100 MHz, reduces component count
high power output, +12.5 dBm typ.
low noise
improved stability
protection against power supply transients
patent pending
Applications
CASE STYLE: WW107
• cellular
• PCN & instrumentation
Electrical Specifications @25°C
MODEL
NO.
FREQ.
(MHz)
GAIN, dB
Typical @MHz
MAXIMUM
POWER, dBm
Output
(1 dB Input
Comp.) (no
Typ. dmg.)
12.5
13
DYNAMIC
RANGE
NF
IP3
dB Typ. dBm
Typ.
3.1
25
VSWR
(:1)
Typ.
ABSOLUTE
MAXIMUM
RATING*
I
P
(mA) (mW)
65
250
DC POWER
@ Pin 3
Device
Volt
Min. Typ. Max.
3.2
3.7
4.2
THERMAL
RESIS-
TANCE
θjc,
typ.
°C/W
140
PRICE
$
f
L
- f
U
MAR-8ASM
DC-1000
100
31.5
1000
25
Min.
20
In
1.4
Out
1.8
Current
(mA)
36
Qty.
(30)
1.12
*Permanent damage may occur if any of these limits are exceeded.
Min. gain at 1000 MHz
Output power, NF, and IP3 at 1000 MHz.
Maximum Ratings
Operating Temperature
Storage Temperature
Junction Temperature
-40°C to 85°C
-55°C to 100°C
150°C
** See Bias resistor table; resistor values are higher than MAR-8SM/MSA-0886
how to replace: increase bias resistor (Rbias) by 110 ohms
benefits: • lower device voltage, 3.7V typ.
• lower power dissipation in the MMIC
• may eliminate need for choke (RFC)
Typical Biasing Configuration (MAR)
Resistor Values
Vcc "1%" Res.
7
88.7
118
143
174
200
226
255
280
309
8
9
Pin Configuration
RF IN
RF OUT
DC
GND EXT.
1
3
3
2,4
4
10
11
12
13
14
Model Identification
Model
MAR-8ASM
marking
8A
15
Suggested PCB layout (PL-075)
Outline Drawing
Outline Dimensions (
inch
)
mm
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
.012 .10 .020 .092 .085 .060 .007 .026 .235 .118 .235 .118 .072 .040 .020
.30 2.54 .51 2.34 2.16 1.52 .18 .66 5.97 3.00 5.97 3.00 1.83 1.02 0.51
wt.
grams
.015
REV. A
M91596
ED-9366/12
MAR-8ASM
MM/FL/CP/AM
040323
page 1 of 4
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