wire reader_modulation = !ssp_dout & lf_field & pck_divclk;
// No logic, straight through.
-assign pwr_oe1 = 1'b0; // not used in LF mode
+assign pwr_oe1 = 1'b0; // not used in LF mode
+assign pwr_oe3 = 1'b0; // base antenna load = 33 Ohms
+// when modulating, add another 33 Ohms and 10k Ohms in parallel:
assign pwr_oe2 = tag_modulation;
-assign pwr_oe3 = tag_modulation;
-assign pwr_oe4 = tag_modulation;
+assign pwr_oe4 = tag_modulation;
+
assign ssp_clk = cross_lo;
assign pwr_lo = reader_modulation;
assign pwr_hi = 1'b0;