MM0474
15.
The thermistor mount in the power standards set can be use over the 10 MHz
a.
50 ohm
b.
75 ohm
c.
1K ohm
16.
How is the thermistor mounts in the power standards set tested to assure
that interpolation between measured points is valid?
a.
Checked at maximum power
b.
Tested micro watt range
c.
Tested on a swept-frequency basis
17.
For a precision power stabilizer arrangement, what does the reference
a.
Reference voltage set by a divider
b.
+10 Volt reference
c.
Pin modulator output
18.
Where does the reference generator obtain its operating voltages?
a.
Its own power supply
b.
From the bridge
c.
An external source
19.
The power measuring system measures microwave power in terms of
a.
Substituted DC power
b.
Substituted AC power
c.
Direct readout
20.
The external modulator used with the reference generator for precision
power stabilizer can either be a PIN diode or a ferrite type, why is the
PIN output only 5 mA maximum while the MOD output is 300 mA maximum?
a.
To develop a power shift
b.
To protect the PIN diodes
c.
To protect the reference generator
136
Previous Page
