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12-12
Module I/O Specifications
A5 Premodulation Filter and NSM
Figure 4-1 Typical Oscilloscope Display
Serial I/O
Channel 1 = 500.0 mvolts/div Offset = 1.810 volts Trigger mode: Edge on positive
edge on Chan1
Timebase = 20.0 ns/div Delay = 0.000 s Trigger Levels
Ch. 1 Parameters P-P Volts = 3.187 volts Chan1 = 1.810 volts
Rise Time = 13.660 ns Fall Time = 7.540 ns Holdoff = 70.000 ns
Frequency = 17.3310 MHz Period = 57.700 ns
+ Width = 32.710 ns - Width = 24.990 ns
Overshoot = 250.0 mvolts Preshoot = 187.5 mvolts
RMS Volts = 2.343 volts Duty Cycle = 56.68%
From A34 RTI Assembly
Hop Control E/I_NSM J2(38)
CLK_NSM J2(39)
DAT_NSM J2(40)
Levels: TTL
Clock Rate: ≅ 100 kHz (bursted) non-hopping generator
≅ 1 MHz (bursted) hopping generator
The HOP CONTROL lines can be measured at +5Vdc