FreeCalypso > hg > freecalypso-schem2
view venus/src/core/rf_pa_block.v @ 33:1d2b57d4f1c9
intnoconn approach to charging current sense resistor
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 22 Nov 2021 03:03:15 +0000 |
parents | 3ed0f7a9c489 |
children |
line wrap: on
line source
/* * This module encapsulates the RF PA along with its power bypass caps * and the Rs and Cs on the control inputs. */ module rf_pa_block (GND, VBAT, Band_Select, Tx_Enable, APC_in, LB_RF_in, HB_RF_in, LB_RF_out, HB_RF_out); input GND, VBAT; input Band_Select, Tx_Enable, APC_in; input LB_RF_in, HB_RF_in; output LB_RF_out, HB_RF_out; /* * A little bit of muck with the control inputs, following Leonardo * and Openmoko schematics. On FC Venus we completely eliminate * R621 and R622. */ wire APC_after_resistor; resistor R623 (APC_in, APC_after_resistor); capacitor C648 (APC_after_resistor, GND); capacitor C656 (Band_Select, GND); /* instantiate the PA itself */ RF3166 PA (.HB_RF_in(HB_RF_in), .Band_Select(Band_Select), .Tx_Enable(Tx_Enable), .Vbatt(VBAT), .GND(GND), .Vramp(APC_after_resistor), .LB_RF_in(LB_RF_in), .LB_RF_out(LB_RF_out), .HB_RF_out(HB_RF_out) ); /* 4 bypass caps per both Leonardo and Openmoko schematics */ capacitor C651 (VBAT, GND); capacitor C652 (VBAT, GND); capacitor C653 (VBAT, GND); capacitor C654 (VBAT, GND); endmodule