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SECTION 1 GENERAL
1-4
Model number/
Order number
Name
Frequency: 10 MHz
Aging rate: 5×10
–10
/day
Temperature caracteristics: ±5×10
–9
(at 0 to 50°C)
Frequency : 0.01 Hz to 400 kHz (sine wave)
: 0.01 Hz to 50 kHz
(triangular, square, sawtooth wave)
Resolution : 0.01 Hz
Wave form: sine wave, triangular wave, square wave,
sawtooth wave
Frequency accuracy: Equal to the accuracy of the refere-
nce oscillator.
1.3.2 Options
The table below lists options for the MG3641A/MG3642A.
Table 1-3. Options
Option
No.
01 MG3641A/ Reference Crystal Oscillator
MG3642A-01
11 MG3641A/ Pulse ON/OFF ratio: >80 dB
MG3642A-11
modulator
Rise time/fall time: <100 ns
Minimum pulse width: <500 ns
Pulse repetition frequency: DC to 1 MHz
Maximum delay time: <100 ns
Overshoot/ringing: <20 %
Video feed through: <20 %
Pulse modulation signal: External, BNC connector on
the rear panel, 50 Ω/600 Ω,
TTL(Positive logic)
21 MG3641A/
MG3642A-21
MG3641A/
MG3642A-22
2-level FSK, 4-level FSK
FSK encoder
AF synthesizer