RFMD’s CGA-1518Z is a high performance InGaP HBT MMIC Amplifier. Designed
with InGaP process technology for excellent reliability. A Darlington configuration is
utilized for broadband performance. The heterojunction increases breakdown volt-
age and minimizes leakage current between junctions. The CGA-1518Z contains
two amplifiers for use in wideband push-pull CATV amplifiers requiring excellent
second order performance. The second and third order non-linearities are greatly
improved in the push-pull configuration.
Optimum Technology
Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
InP HBT
RF MEMS
LDMOS
Features
Amplifier Configuration
1
2
3
4
DE
7
6
5
Unit
dB
dB
dBm
8
5V Single Supply
Excellent Linearity Perfor-
mance at +34dBmV Output
Power Per Tone
Two Amplifiers in Each SOIC-8
Package Simplify Push-Pull
Configuration PC Board Lay-
out
Available in Lead-Free, RoHS
Compliant, and Green Pack-
aging
SOIC-8 Package
CATV Head End Driver and
Predriver Amplifier
CATV Line Driver Amplifier
W
NE
Specification
Typ.
15.5
±0.6
37
Parameter
Small Signal Gain
Gain Flatness
Output IP3
FO
R
Min.
14.9
Max.
NO
T
Output Power at 1dB Gain Compres-
20
dBm
sion
Input Return Loss
20
dB
Output Return Loss
20
dB
Noise Figure
4.5
dB
Balun Insertion Loss Included
CSO
77
dBc
CTB
70
dBc
XMOD
61
dBc
Device Operating Voltage
5.0
V
Device Operating Current
150
mA
Thermal Resistance
30
°C/W
(Junction to Lead)
Test Conditions: V
CC
=5V, I
D
=150mA Typ., T
L
=25°C, Z
S
=Z
L
=75, Push Pull Application Circuit
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
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