HP MSA-0485 Datasheet
Cascadable Silicon Bipolar
MMIC␣ Amplifier
Technical Data
MSA-0485
Features
• Cascadable 50 Ω Gain Block
• 3 dB Bandwidth:
DC to 3.6 GHz
• 8.0 dB Typical Gain at
1.0␣ GHz
• 12.5 dBm Typical P
1.0␣ GHz
• Unconditionally Stable
(k>1)
• Low Cost Plastic Package
1 dB
at
plastic package. This MMIC is
designed for use as a general
purpose 50 Ω gain block. Typical
applications include narrow and
broad band IF and RF amplifiers
in commercial and industrial
applications.
The MSA-series is fabricated using
HP’s 10 GHz fT, 25␣ GHz f
silicon bipolar MMIC process
which uses nitride self-alignment,
ion implantation, and gold metallization to achieve excellent
performance, uniformity and
Description
The MSA-0485 is a high performance silicon bipolar Monolithic
Microwave Integrated Circuit
reliability. The use of an external
bias resistor for temperature and
current stability also allows bias
flexibility.
(MMIC) housed in a low cost
Typical Biasing Configuration
R
bias
85 Plastic Package
,
MAX
V
> 7 V
CC
RFC (Optional)
C
block
IN OUT
4
3
MSA
1
2
V
d
= 5.25 V
C
block
5965-9577E
6-338
MSA-0485 Absolute Maximum Ratings
Parameter Absolute Maximum
Device Current 85 mA
Power Dissipation
[2,3]
500 mW
RF Input Power +13 dBm
Junction Temperature 150°C
Storage Temperature –65 to 150° C
Notes:
1. Permanent damage may occur if any of these limits are exceeded.
2. T
3. Derate at 11.1 mW/° C for T
4. See MEASUREMENTS section “Thermal Resistance” for more information.
CASE
= 25°C.
> 105°C.
C
[1]
Thermal Resistance
θjc = 90°C/W
[2,4]
:
Electrical Specifications
Symbol Parameters and Test Conditions: Id = 50 mA, Z
G
P
Power Gain (|S21|2) f = 0.1 GHz dB 8.3
[1]
, T
A
= 25° C
= 50 Ω Units Min. Typ. Max.
O
f = 1.0 GHz 7.0 8.0
∆G
f
3 dB
VSWR
Gain Flatness f = 0.1 to 2.5 GHz dB ±0.7
P
3 dB Bandwidth GHz 3.6
Input VSWR f = 0.1 to 2.5 GHz 1.6:1
Output VSWR f = 0.1 to 2.5 GHz 2.0:1
NF 50 Ω Noise Figure f = 1.0 GHz dB 7.0
P
IP
t
V
1 dB
3
D
d
Output Power at 1 dB Gain Compression f = 1.0 GHz dBm 12.5
Third Order Intercept Point f = 1.0 GHz dBm 25.5
Group Delay f = 1.0 GHz psec 125
Device Voltage V 4.2 5.25 6.3
dV/dT Device Voltage Temperature Coefficient mV/°C –8.0
Note:
1. The recommended operating current range for this device is 30 to 70 mA. Typical performance as a function of current
is on the following page.
6-339
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