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Miniature Tapped Delay Network 7788 Series

Basic Specification

Delay Range 50 nS to 5 mS ±5%
Impedance Range 50W to 1KW ±10%
Number of Sections 20 'M' - derived 'T' sections Taps 20 at 5% intervals
Rise-time Better than 10% of Total Delay
Distortion ±10% Max.
Attenuation 0.50dB/uS or 0.25dB (whichever is greater)
Working Voltage 50V
Temperature Coefficient of Delay ±200 p.p.m./°C Max
Operating Temperature Range -20°C to +70°C
Encapsulation Flame Retardant Epoxy Resin

Selection Table
Delay Time 50W 75W 100W 200W 500W 560W 1KW
50 nS - 030 101 044 - - -
100 nS 022 090 007 011 035 145 157
150 nS 075 091 102 116 132 146 158
200 nS 033 003 008 012 060 147 159
250 nS 076 004 103 027 067 017 160
300 nS 077 092 104 117 133 148 161
350 nS 078 049 105 118 134 149 162
400 nS 024 059 009 119 061 150 020
450 nS 079 093 106 120 135 151 163
500 nS 056 031 057 037 043 018 164
550 nS 080 094 107 121 136 152 165
600 nS 081 095 108 122 137 072 166
650 nS 082 006 109 123 138 153 167
700 nS 083 096 110 124 139 025 168
800 nS 084 097 111 125 062 154 021
900 nS 085 098 112 126 140 155 169
1 mS 001 002 055 032 013 054 046
2 mS 086 099 040 127 141 016 019
3 mS 087 064 113 128 142 050 170
4 mS - 073 114 129 014 051 171
5 mS - 100 115 130 143 071 -

Example: A 7788 Series Miniature Tapped Delay Network, 500nS - delay 200W, is ordered as 7788A-121

 
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