MC13155 if equivalent, wideband fm if.
2.0 MHz ± 1.0 MHz 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Q OF QUADRATURE LC TANK
Q OF QUADRATURE LC TANK
Figure 11. Figure 12. RSSI Output Voltage versus IF Input
0 RSSI .
This device may be cascaded for higher IF gain and extended Receive Signal Strength Indicator (RSSI) range.
* 12 MH.
The MC13155 consists of a wideband three
–stage limiting amplifier, a wideband quadrature detector which may be operated up to 200 MHz, and a received signal strength indicator (RSSI) circuit which provides a current output linearly pr.
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