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CGA-7718Z Schematic ( PDF Datasheet ) - RF Micro Devices

Teilenummer CGA-7718Z
Beschreibung PUSH-PULL 50MHz to 1000MHz HIGH LINEARITY InGaP HBT AMPLIFIER
Hersteller RF Micro Devices
Logo RF Micro Devices Logo 




Gesamt 8 Seiten
CGA-7718Z Datasheet, Funktion
CGA-7718Z
Push-Pull
50MHz to
1000 MHz
High Linearity
CGA-7718Z
InGaP HBT
Amplifier www.DataSheet4U.com
PUSH-PULL 50MHz to 1000MHz HIGH
LINEARITY InGaP HBT AMPLIFIER
Package: SOIC-8
Product Description
RFMD’s CGA-7718Z is a high performance InGaP HBT MMIC Amplifier. Designed
with the InGaP process technology for excellent reliability. A Darlington configura-
tion is utilized for broadband performance. The heterojunction increases break-
down voltage and minimizes leakage current between junctions. The CGA-7718Z
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
Amplifier Configuration
18
27
36
45
Features
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
Applications
CATV Head End Driver and
Predriver Amplifier
CATV Line Driver Amplifier
Parameter
Small Signal Gain
Gain Flatness
Output IP3
Specification
Min. Typ. Max.
17.4
±0.6
41
Unit
dB
dB
dBm
Output Power at 1dB Gain
Compression
23 dBm
Input Return Loss
20 dB
Output Return Loss
16 dB
Noise Figure
Balun Insertion Loss Included
CSO
CTB
4.0 dB
80 dBc
78 dBc
XMOD
70 dBc
Device Operating Voltage
5.0 V
Device Operating Current
215 mA
Thermal Resistance
(Junction to Lead)
30 °C/W
Test Conditions: VDD=5V, ID=215mA Typ., TL=25°C, ZS=ZL=75, Push Pull Application Circuit
Condition
50MHz to 1000MHz
50MHz to 1000MHz
500 MHz
Tone Spacing=1MHz
POUT per Tone=+6dBm
500 MHz
500 MHz
500 MHz
50MHz to 1000MHz
79 Ch., Flat Tilt, +34dBmV
79 Ch., Flat Tilt, +34dBmV
79 Ch., Flat Tilt, +34dBmV
5V VCC
Junction to case slug.
DS091015
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-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
1 of 8






CGA-7718Z Datasheet, Funktion
CGA-7718Z
www.DataSheet4U.com
Pin
1
2, 3,
6, 7
4
5
8
EPAD
Function
RF IN
GND
Description
RF input pin. External DC-blocking capacitor is required.
Connection to ground. Use via holes for best performance to reduce lead inductance as close to ground leads as
possible.
RF IN
RF OUT/VCC
RF OUT/VCC
GND
Same as pin 1.
RF output and bias pin (open collector).
Same as pin 5.
Exposed area on the bottom side of the package must be soldered to the ground plane of the board for optimum
thermal and RF performance. Several vias should be located under the EPAD as shown in the recommended
land pattern.
Pin Out
Amplifier Configuration
18
27
36
45
Part Identification
6 of 8
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
DS091015

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