Tektronix - Museum ROL

Two - Channel - Plug-In Unit CA

frequency response	risetime	with types
DC - 15 MHz	23 ns	531A, 533, 535A
DC - 10 MHz	35 ns	536
DC - 5 MHz	70 ns	532
DC - 24 MHz	15 ns	541A, 543, 545A, 555
DC - 22 MHz	16 ns	551

calibrated sensivity	0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10 and 20 V/cm
	0.05 - 50 V/cm	uncalibrated (variable)
calibration accuracy	3 %
5 operating modes	only A, only B, chopped, alternate, A ± B
AC - DC switches	limiting low-frequency response to 2 Hz bei 3 dB through capacitor
polarity	can be inverted on either channel ( A - B or A + B )
input impedance	1 MOhm, 20 pF
weight	5½ lbs. ( 2,5 kg )
introduced	1959
price when introduced	$ 250,--