OPA656: Transipendance circuit

Normally, a current source would have that 3Mohm in shunt, not series. Keeping that 3Mohm in series with a 1mA source implies a 3kV on the source!! Also, 

1. You cannot set the feedback C with the source C

2. You cannot swing 5V out on +/-5V supplies - there is some output headroom required. 

Dear Michael Steffes:

                   Thanks for your reply.    

       First ,actually, R2 is the equivalent resistance of a pipe filled with water.

       And the source is a signal generator that produces a ±5V square wave signal.    See Figure 1 for details.

Second , according to the recommended OPA656 transimpedance op amp circuit design, 《Transimpedance Considerations for High-Speed Amplifiers》,the transimpedance op amp circuit requires a feedback capacitor.  so why can't the feedback capacitor C be set with the source C ?         See Figure 2 for details.

Third,I redesigned the transimpedance op amp circuit according to the OPA656 chip data sheet (Fig 3) and simulated it with Tina, but the effect is still not good, and the signal has different degrees of attenuation on the rising and falling edges.  See Figure 4 ,5 for details.

                                                                                  Figure 1

                                                                            Figure 2

                                                                                Figure 3

                                                                                                                                                               Figure 4

                                                                                          Figure 5