A compact resolver pre-amplification assembly having a first printed circuit board and a second printed circuit board , the printed circuit boards comprising: an interface with an N/N-1 resolver for resolving an output of an Inductosyn, the Inductosyn comprising an Inductosyn rotor, an N pole Inductosyn stator and an N-1 pole Inductosyn stator, the Inductosyn rotor defining an Inductosyn primary and the N pole Inductosyn stator and an N-1 pole Inductosyn stator defining an Inductosyn secondary; an interface for a field director, the field director comprising an input defining a field director primary and an output defining a field director secondary; a resolver-to-digital converter for transforming an output signal of the N/N-1 resolver into a digital signal; a first signal path including circuitry configured to drive the field director primary and the Inductosyn primary , wherein the first signal path is configured to receive a differential signal from robotic control electronics , condition the differential signal, and then amplify the conditioned differential signal, driving the field director primary and Inductosyn primary (103 and 104); a second signal path including circuitry configured to amplify, condition, and output, to a differential output , sine and cosine outputs from the field director secondary ; and a third signal path including circuitry configured to amplify, condition, and convert, to a differential signal , sine and cosine outputs from the Inductosyn secondary , wherein the first and second printed circuit boards (102 and 101) are contained in a single package configured for mounting on a robotic joint, and wherein low-level sensitive signals from the output of the Inductosyn are separated from high-level excite signals for driving the field director and the Inductosyn by locating circuitry for reading and amplifying the low-level sensitive signals on the first printed circuit board and circuitry for driving the field director and the Inductosyn by the high-level excite signals on the second printed circuit board . an interface with an N/N-1 resolver for resolving an output of an Inductosyn, the Inductosyn comprising an Inductosyn rotor, an N pole Inductosyn stator and an N-1 pole Inductosyn stator, the Inductosyn rotor defining an Inductosyn primary and the N pole Inductosyn stator and an N-1 pole Inductosyn stator defining an Inductosyn secondary; an interface for a field director, the field director comprising an input defining a field director primary and an output defining a field director secondary; a resolver-to-digital converter for transforming an output signal of the N/N-1 resolver into a digital signal; a first signal path including circuitry configured to drive the field director primary and the Inductosyn primary , wherein the first signal path is configured to receive a differential signal from robotic control electronics , condition the differential signal, and then amplify the conditioned differential signal, driving the field director primary and Inductosyn primary (103 and 104); a second signal path including circuitry configured to amplify, condition, and output, to a differential output , sine and cosine outputs from the field director secondary ; and a third signal path including circuitry configured to amplify, condition, and convert, to a differential signal , sine and cosine outputs from the Inductosyn secondary , wherein the first and second printed circuit boards (102 and 101) are contained in a single package configured for mounting on a robotic joint, and wherein low-level sensitive signals from the output of the Inductosyn are separated from high-level excite signals for driving the field director and the Inductosyn by locating circuitry for reading and amplifying the low-level sensitive signals on the first printed circuit board and circuitry for driving the field director and the Inductosyn by the high-level excite signals on the second printed circuit board . <EOS>