Hi,
Bicheng Company has been providing customers with multilayer PCB's which has requirements for controlled impedances, inclusive of differential impedance and single-end impedance from 50 ohm to 100ohm.
Our lastest products for telemetry system using
*ITEQ Tg 170 FR-4 material, 3.2mm thick.
*This is a 10 layer PCB with 1oz each layer, using LPI Green solder mask and white silk legend,
*Immersion gold finish.
*It has 100 ohm differential and 50 ohm single impedance control for designated track.
*IPC-CLASS-II Standard.
If you have enquiries on any of our PCB's, please reply back to this email or following contact by your gerber files and I will get back to you asap.
Look forward to hearing from you soon.