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Across
1 Clipper.
3 Electronic generator of frequencies.
5 Type of radio circuit.
6 Number of cycles completed in one second.
8 Circuit consisting of resistance and
capacitance.
9 No connection exists.
10 Symbol for d.c. screen grid voltage.
12
Unilateral device that converts a.c. to pulsating d.c.
14 Type of electron beam
modulation.
16 Cell which generates voltage when exposed to light radiation.
17
Electrical effect produced by light.
19 Sensitivity rating given to meters
22 Governmental
agency that regulates radio and wire transmissions in the United States.
25 In audio
frequency circuit, power expressed in vu or db.
27 Transmission and reception of
pictures by means of r.f. waves traveling through space or over wires.
29 In electron
tube terminology, output power of tube.
30 Single cotton-covered wire.
31 System
of reducing channel width in radio broadcasting.
33 In radar terminology, width
of pulse.
34 Audio stage in transmitter that superimposes intelligence signal on
carrier frequency.
36 Microgroove record or record with extended play.
38 R.F. band
from 30 to 300 kc.
39 One-thousandth of a volt.
40 Class of amplification.
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By John A. Comstock
Down
1 TV receiver service control that adjusts scanning.
2 Million cycles.
4 In communications, that which carries intelligence from point to point.
5 Product of capacitance times resistance in circuit.
7 Second winding of transformer.
8 Receiver.
11 Flashes from this device may be used to measure rotation speed of turntable.
12 Method of obtaining increased gain from amplifier.
13 Wire covered with varnish-like substance.
15 Package of interconnected electronic components.
18 Switch having
single pole and two different throw positions.
20 Variable frequency oscillator.
21 Circuit etched on insulator plate.
23 Element in transistor that receives electrons
transmitted from emitter.
24 Opposite of negative.
25 Electromechanical device used
in auto radios to convert d.c. to a.c.
26 Circuit consisting of coil and capacitor.
28 Familiar type of meter used in servicing electronics gear.
30 Short -wave listener.
32 Frequency band immediately above u.h.f. region.
35 Modulation very similar to
FM.
37 Electronic addressing system.
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