1
dc2078af
DEMO MANUAL DC2078A
DESCRIPTION
LTC6430-20
50MHz TO 1000MHz
75
Ω
INPUT/OUTPUT CATV AMPLIFIER
Demonstration circuit 2078A is a 75Ω input and 75Ω output
push-pull CATV amplifier featuring the
LTC
®
6430-20
. The
LTC6430-20 has a power gain of 20.8dB and is part of the
LTC6430-YY amplifier series.
The DC2078A demo board is optimized for the frequency
range from 50MHz to 1000MHz. It incorporates a mini-
mum of passive support components to configure the
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
LTC6430-20 BLOCK DIAGRAM
amplifier for the CATV applications with 75Ω input and
output impedance.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2078A
643020 BD
V
CC
9, 22
+IN
BIAS AND TEMPERATURE
COMPENSATION
20dB
GAIN
20dB
GAIN
GND
8, 14, 17, 23 AND PADDLE 25
24
–IN
+OUT
T_DIODE
–OUT
7
18
16
13
