Fitting the Options SME
1038.6002.02 1.5 E-13
1.3.2 Overview of the Slots
X28 X29
A3 A4
A11
A10
A9 A8
A7
A6
A5 A12 A2
A15
Option SM-B1
A2 = power supply
A3 = front unit
A4 = option
A5 = option
A6 = option
A7 = reference/step synthesis
A8 = digital synthesis
A9 = summing loop
A10 = output section, 1.5 GHz
A11 = output section 3 GHz/6 GHz
A11 = option
A15 = attenuator
Fig. 1-1 SME, View from the top
1.3.3 Option SM-B1 - Reference Oscillator OCXO
Fitting the option À Fasten the option at the back end of the lateral opening by means of
the screw threads provided there.
À If slots A5 and A6 are both occupied, one of these modules must be
removed temporarily.
À Feed ribbon cable W710 through the rear square cut-out to the
motherboard, insert into connector X22 and snap in the locking.
À Feed coaxial cable W710 from socket X711 of the option through
the second cut-out along the rear transverse panel to connector
X74 at the A7 module, reference/step synthesis, via the
motherboard and insert there. Fasten the cable at the transverse
panel using the cable ties attached.
Set tuning voltage and calibrate
OCXO
The crystal oscillator was factory-tuned to nominal frequency and the
appropriate tuning voltage indicated on the cover of the module. The
calibration value now has to be calculated from this value and
transferred to the memory of the signal generator.
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