DISTISO6 Isolated Distribution Amplifier for GPSDO

This project is in continuation of the project that I have previously published making Sin Wave Galvanically Isolated Distribution Amplifier for GPSDO and Lab Reference. 

This Device is capable for producing very high voltage range  ~14dBm Output on 10 Mhz . This device can be used for any frequency from 100Khz to 190Mhz 

This project is based on the previous GPDO Distribution board that I designed few years ago.

Specifications 

Signal Distribution Amplifier, With Galvanically Isolated Output Using Signal Transformers  For Clock and Signal Distribution, With Bandwidth 100Khz to 190Mhz with Gain of +4dBm

Input 

50 Ohm Input impedance ,

AC coupled  to Primary Stage,  Max 2V DC Offset

Max  +10dBm  for 100Khz to 100Mhz, 2Vpp + 2V DC Offset

Max +17 dBm Max 101 to 190Mhz

A standard 3.3 CMOS or TTL when driving into 50R will fall into compatible range.

If you have requirement of even Higher input voltage then external BNC attenuator can be used

Output

50 Ohm Galvanically Isolated

+13dBm  100Khz to 50Mhz into 50Ohm , ~6Vpp into 1Mohm

+12 dBm 50 to 100 Mhz into 50Ohm

+7 dBm 101 to 190Mhz into 50Ohm

Frequency Deviation between Channels

Base line Measured Ratio difference on same Channel max  7.956p

Channels Between same driver (e.g CH1 vs CH2) max Ratio difference of around  8.16p

Channels Between different driver (e.g CH1 vs CH3) max Ratio difference of around 10.2p , Max ~ 10 PPT

Phase Deviation between Channels

TDS8000 70Ghz Bandwidth scope Was used with 50Ghz and 20Ghz sampling head, even on 1fs resolution no measurable phase difference 

 

 

Power

Dual Power input

USB C PD 15 V or 12V

DC Banana Jack 6.5mm 2mm Pin Center Positive

PCB Design

Output Level

   

Specs & Docs

• Source Code
• Documentation
• Design Files