LA7780M downconverter equivalent, qpsk downconverter.
* Since a preamplifier is built in, the LA7780M has adequate sensitivity to handle the input signal from the cable directly. (Input signal level:
–30 t.
can be designed to use either a crystal or an inductor oscillator.
Package Dimensions
unit: mm 3108-MFP24D
[LA7780M]
24.
Pin No. Function Pin voltage (V) Note Equivalent circuit
1
RF1 input
2.8
2
RF gain
1.3
Impedance connected to pin 2 must be > 45 Ω
3
GND
0
4
RF1 output
Open collector
5 6 7
VCC VCC GND
5.0 5.0 0
8 9
RF2 input (1) RF2 input (2)
2.5.
Image gallery
TAGS
Download (Size : 242.75KB)