materialsguy:
Tektronix 556 Pulse response testing
materialsguy:
Tek 556 Timebase A 1mS Pulse
materialsguy:
Tek 556 Timebase A 100uS Pulse
materialsguy:
Tek 556 Timebase A 1uS Pulse
materialsguy:
Tek 556 Timebase A 10nS Pulse
old-days-better:
Vintage Radio
old-days-better:
1982 Sharp GF-9797