Print a circuit for measuring electrical impedance

Hi there,
I am supposed to measure the electrical impedance (which depends on conductivity) of an electrically conducting object by use of eddy current technique induced by an air core coil. for this purpose I need to print a circuit. would you please help me with the characteristics and out put of the circuit. what kind of electronics devices should I use and how to design the circuit.
The coil has a few centimeter in diameter and less than 100 turns of very small cross sectional wire that should be loaded with frequency in range of 100kHz- 10MHz.
Thank you in advance.

 

Thank you,
Since I have to make a coil by hand, the number of turns, inner and outer coil radius and cross section of the wire is determined. I have to load the coil and examine it on a phantom (Al or Cu) to induce eddy current in them and then measure conductivity of the phantom.
I have some equations to measure the quality factor of the coil and then if the coil is suitable to use I have to measure the coil on an LCR meter to collect data on L(x) and R(x) where X is stand-off and these data will be used to design the electronics. But still do not have any idea how to design the circuit.
skin depth : δ= √(2/ωμσ), where ω is radian frequency (rad/s), μ is magnetic permeability (H/m), σ is conductivity (siemance/m).
Unloaded inductance : L= 7.88(〖〖(R〗_0+R_i)〗^2 n^2 l^2)/(13R_0-7R_i )
where R_0 is outer radius, R_i is inner radius, n is the number of turns and l is the number of layers.
For self resonant frequency we have: SFR= 1/(2π√(L.C_cable )) where, L is unloaded inductance and (C_cable) is capacitance of the cable.
Operating frequency : f_min=1/(2π√(L.C)), and
f_max= 2 f_min
DC and AC resistance of the coil: R_AC=2R_DC