623B	821	4608C
INPUT
No. of Inputs	8	4	8
Threshold	-30 mV to -1 V	-30 mV to -1 V	-15 mV to -1 V
GENERAL
Packaging	Single-width NIM	Single-width NIM	Single-width NIM
Max. Rate	> 100 MHz	> 100 MHz	> 150 MHz
D.P.R.	9 nsec	9 nsec	5 nsec
Burst Guard	N/A	Selectable	Selectable
OUTPUT
No. of Outputs	3 NIM	5 NIM, 1 NIM*	3 NIM, 1 NIM*
Width	6 nsec to 150 nsec	5 nsec to 600 nsec	4.5 nsec to 100 nsec
POWER
-24 V	80 mA	85 mA	Ñ
-12 V	195 mA	170 mA	Ñ
-6 V	490 mA	690 mA	2.1 A
+6 V	240 mA	230 mA	0.6 A
+12 V	160 mA	15 mA	Ñ
+24 V	Ñ	Ñ	0.01 A