Figure 1.
Model 5261A video amplifier.
b. Installation.
As was the case with the Model 5257A Transfer
Oscillator discussed in lesson 4, a Model 10590A Plug-in adapter is required
First, de-
energize the counter and install the plug-in adapter. Slide the Model 5261A
into the compartment; make certain the plug-in is properly aligned and
tighten the locking screws.
c. Controls, Connectors and Indicators.
Figure 2 indicates the
functions of the connectors, meter and sensitivity control on the Model
5261A front panel.
(1) Input. This is a BNC connector for application of signals from
1-100 mV rms between 10 Hz and 50 MHz.
(2)
Sensitivity.
This control is calibrated in millivolts and
determines
the signal
output to the counter within acceptable limits as indicated on
the Output
Level meter.
84