HMC6000LP711E Datasheet, PDF (14/18 Pages) Hittite Microwave Corporation – Multi-Gbps Data Communications

HMC6000LP711E
v00.1112
Millimeterwave Transmitter
57 - 64 GHz
Table 8. Transmitter Register Array Assignments
Register Array Row & Bit
ROW2
ROW2<7>
ROW2<6>
ROW2<5>
ROW2<4>
ROW2<3>
ROW2<2>
ROW2<1>
ROW2<0>
ROW3
ROW3<7>
ROW3<6>
ROW3<5>
ROW3<4>
ROW3<3>
ROW3<2>
ROW3<1>
ROW3<0>
ROW4
ROW4<7>
ROW4<6>
ROW4<5>
ROW4<4>
ROW4<3>
ROW4<2>
ROW4<1>
ROW4<0>
ROW5
ROW5<7>
ROW5<6>
ROW5<5>
ROW5<4>
Internal Signal Name
FDB<11>
FDB<10>
FDB<9>
FDB<8>
pa_sel_vgbs<3>
pa_sel_vgbs<2>
pa_sel_vgbs<1>
pa_sel_vgbs<0>
FDB<7>
FDB<6>
FDB<5>
FDB<4>
FDB<3>
FDB<2>
FDB<1>
FDB<0>
pa_sel_vref<3>
pa_sel_vref<2>
pa_sel_vref<1>
pa_sel_vref<0>
driver_bias<2>
driver_bias<1>
driver_bias<0>
driver_bias2<2>
not used
not used
not used
not used
Signal Function
Factory Diagnostics;
ROW2<7:4> = 1111 for normal operation
Controls the regulator for the base voltage of the PA output transistors;
ROW2<3:0> = 0000 for normal operation
Factory Diagnostics;
ROW4<7:4> = 0001 for normal operation
Factory Diagnostics;
ROW4<3:0> = 1111 for normal operation
Controls the bias current for the PA output transistors;
ROW4<7:4> = 0011 for normal operation
Controls the bias current for the PA predriver;
ROW4<3:1> = 111 for normal operation
Controls the bias current for the PA predriver2;
ROW4<0> = 1 for normal operation
ROW5<7:4> = x - not used
ROW5<3>
ROW5<2>
bg_monitor_sel
if_refsel
These bits are for reserved for diagnostic purposes;
ROW5<3:2> = 01 for normal operation
ROW5<1>
ROW5<0>
ROW6
ROW6<7>
ROW6<6>
ROW6<5>
ROW6<4>
enable_fm
not used
ifvga_bias<3>
ifvga_bias<2>
ifvga_bias<1>
ifvga_bias<0>
Active high to enable the FSK/MSK modulator inputs.
ROW5<1> = 0 for normal I/Q operation
ROW5<0> = x - not used
Controls the bias current of the IF variable gain amplifier;
ROW6<7:4> = 1000 for normal operation
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