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measurements of the equivalentcircuit parameters of tunnel diodes Radio Experimenter 1960 14 May 2012 | 04:38 am
The measurement of equivalent-circuit parameters is of particular importance in the development of semiconductor devices, in the control of their uniformity in manufacture, and in their application in...
COMPLETE PARTS LIST Hzf Radio Circuit Diagrams 2 May 2012 | 07:22 am
1 Broadcast and short wave antenna coil No. 14-2860 1 Broadcast and shortwave oscillator coil No. 14-2862 1 PM speaker with output transformer No. 25274 1 Variable condenser No. 26128 1 Filter choke N...
commonly used RadioConstruction 14 Apr 2012 | 11:32 am
However, on very long wavelengths it has been found advantageous to use step-up ratio transformers, by having a greater number of secondary than primary turns. -iliW'I'I'I'H b-battery FIG. 14 Three st...
Hed Like To See You Radio Electronics 1993-02 14 Apr 2012 | 04:54 am
Nominations are now being sought for the 1993 awards to be presented at the ARRL Atlantic Division Convention. The Convention is held in association with the Rochester, New York, Hamfest, May 21-23, 1...
Acknowledgments Vintage 1966-05 29 Mar 2012 | 04:28 am
The Vector Voltmeter design was initiated by a study4 made by Chu-Sun Yen, Kay B. Magleby, and Gerald J. Alonzo of the -hp- Advanced Research and Development Laboratories. The design group for the Vec...
HighPower WBand Source Module Vintage 1991-04 27 Mar 2012 | 06:11 am
The output power of the W-band source module is a function of the sum of the conversion losses of the R-band amplifier doubles the W-band amplifier tripler. and the coupler detector Since these conver...
How the WaveLength of an Aerial May Be IncreasedIt RadioConstruction 27 Mar 2012 | 03:15 am
has been found convenient to include an inductance in the down lead wire to the receiver for the purpose of passing the received signal voltage to the set. Sometimes this added inductance coil is conn...
a RectifierType Meter for Power output Measurements at audio frequencies Radio Experimenter 1929 26 Mar 2012 | 10:56 am
IN the course of routine experimental work in the laboratory there often occurs the need for a convenient means of measuring the power delivered by a device at frequencies for which the ordinary dynam...
Frequency Determination Radio Experimenter 1929 19 Mar 2012 | 12:27 pm
ONE need be only a casual reader of current radio literature to know that the precision determination of frequency is a most important engineering problem. The growing economic, political, and social ...
Functional Analysis of a Typical SSB Receiver Radioreceivers 16 Mar 2012 | 03:28 am
To see the relationship of the parts in an SSB communications receiver, look at the block diagram on page 135. Basically, the receiver is a double conversion superheterodyne. It has an RF, a high IF, ...
