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Radio Engineering
by W4KRL
S
U
P
P
R
E
S
S
O
R
Z
M
L
E
E
E
C
O
C
O
N
D
E
N
S
O
R
A
N
O
D
E
O
Z
O
N
E
I
O
N
L
Q
P
L
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C
L
O
U
D
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O
W
E
R
B
A
N
D
W
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D
T
H
E
I
M
A
C
P
E
N
T
O
D
E
T
H
Y
R
A
T
R
O
N
C
T
M
R
N
C
O
L
O
R
C
O
D
E
I
T
H
E
A
V
I
S
I
D
E
N
R
N
O
E
E
D
F
T
D
E
T
E
R
S
R
A
D
I
O
U
L
E
C
Z
E
P
V
M
C
A
M
P
H
O
B
I
A
S
R
H
E
O
S
T
A
T
B
R
O
A
D
B
A
N
D
S
S
O
T
E
E
I
B
F
R
O
N
D
C
C
L
E
A
V
E
N
P
N
T
Z
E
N
E
R
N
T
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O
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L
1
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38
ACROSS
1A tube element usually connected to the cathode
7An early device to store charge
8Current flows into this element of a device
10Gas associated with reflective layer
12Where we store our data
13Time rate of energy
14Spectrum consumed by a signal
15Three grid amplifying tube
17A triggerable tube
19Non-numerical value label
20Scottish scientist
23Keep someone from doing something
25This puzzle's theme
26Airship antenna briefly
28Short for coulomb per second
29Puts a device into a quiescent state
30High power potentiometer
31High capacity transmission
35Something done to a crystal
36The most common bipolar transistor
37Semiconductor version of the 0A1
38A device measured in henries
DOWN
2___ is futile
3Use a BFO to ___ a frequency
4A type of average
5Magnetic ____
6EB__
9Our shack always needs more of this
11Distinct part of a device
16The simplest valve
18A solid that current flows in
20Reflect upon this brilliant English engineer
21Prefix for the 8266 used in the D1 Mini
22Early T-antenna
24An early passive communications satellite
26Second character in many calls
27A unipolar transistor
32What rig purchases do to your budget
33Designated range of frequencies
34What a 1.5 V battery really is
 
Q
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SPACE
?12
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