Vocabulary Flashcards
Abbreviation for Voltage
E
Voltage is measured in __________
volts
Abbreviate for current
I
Current is measured in _________
amperes
Abbreviation for resistance
R
Resistance is measured in
Ohms
V (E) = ? times ?
V (E) = current (I) x resistance (R)
Power (P) = ? times ?
Power (P) = voltage (E) x current (I)
Abbreviation for power
P
Power is measured in______
watts
? ? ? base unit ( e.g. MHz) ? ? ? ?
giga mega kilo (base unit) milli micro nano pico
If you had an increase of 3dB = x ?
x 2
If you had an increase of 6db = x ?
x 4
If you had an increase of 10 db = x ?
x 10
Label for inductors
Henry
FET
Field Effect Transistor
What controls current flow?
transistors
What changes from AC to DC?
rectifier
What changes voltage?
transformer
What changes RF to a different band?
transverter
SSB/CW-FM switch does what?
sets amplifier for proper operation in selected mode.
What does a mixer do?
converts radio signal from one frequency to another
What does an ohm measure?
resistance
What frequencies are in the HF band?
3-30MHz