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VE4MA
feed
GaAlAs
HEMT
LNA
Equalizing
filter
GALI-52
amplifier
Band-pass
filter
Signal
splitter
1.42GHz coax l=15m
USB
EGIS EPS-103
control unit
RS-232
9600bps
1.42GHz
EGIS
EPR-203
AZ/EL rotor
≈
B≈25MHz
+19dB
-6dB
+28dB
≈
B≈25MHz
+19dB
GALI-52
amplifier
HP6735s
Notebook
Ubuntu16.04
+ Python2.7
RF
spectrum
analyzer
Echostar dish d=3.1m / f=1.23m
+19dB
+19dB
2x GALI-5
amplifiers
1dB-step
attenuator
+19dB
+19dB
GALI-52
amplifier
MGA-31189
amplifier
LPC2138/01
micro
10bit A/D
10kHz
Envelope
detector
2x BAT62-03W
38.880MHz
TCXO
FT231
VCP
UART0 230.4kbps
PL2303
dongle
USB
1.42GHz
Linear
(vertical)
polarization
Radiotelescope block diagram