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SN74LS628DR with 50 ohm load?

Other Parts Discussed in Thread: SN74LS628


I would like to measure the output of  a SN74LS628 VCO on a spectrum analyzer (50 ohm load).  Do I need to put an emitter follower circuit on the output of the chip to be able to do this? Or is there another circuit that you recommend I use on the output of the chip?

Thank you