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Very good copy of Manual, clear and easy to print off, arrived very promptly and reasonably priced.
Thanks, I will use you again.
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Zeer duidelijke afdrukken op A4-formaat , zeer uitgebreide handleiding . Pluspunt ,zeer snelle
respons van jullie , binnen de 24h . Top !!!
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I AM HIGHLY IMPRESSED BY THE EASE OF USE OF THIS DOWNLOAD SERVICE. INSTRUCTIONS ARE CLEAR AND SIMPLE TO FOLLOW....EVEN BY TECHNOPHOBES SUCH AS MYSELF. THE EMAILS POINT YOU IN THE RIGHT DIRECTION...ITS SO EASY PEASY. THE DOWNLOAD CHOICE OF USER MANUALS IS EXTENSIVE AND I COULD NOT FIND A CHEAPER OR MORE EFFICIENT SERVICE ON THE INTERNET. I COULD NOT HAVE MADE A BETTER CHOICE OF INFORMATION PROVIDER. SHOULD I EVER NEED ANOTHER USER MANUAL, THEN THIS IS THE FIRST CHOICE SITE. COULD NOT BE BETTER PLEASED!!!!!!!...MANY THANXES FROM JIM BURNS
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I was impressed with the quality of service (frequent e-mails to let you know the status of your order), and the speed at which the download became available. The manual was a life saver and was not easy to track down. Thank you for such an excellent service.
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the manual was just what i wanted it had all the revelent information required to operate the hifi .Iwould use any manual i downloaded for any item which needs a manual
L A B O R A T O R Y I N S T R U M E N T S OF S P E E D A N D A C C U R A C Y
Standard -hp- instruments shown here are adaptable for making nearly every electronic measurement in the electronic field. Following is a brief description of a few o these instruf ments. Complete technical information will be sent- without obligation - on request. In addition, -hp- engineers are at your service to help solve special problems.
VACUUM TUBE VOLTMETER
-hp- Model 400A Vacuum Tube Voltmeter sets a MW standard of performance for voltage measurements in the audio, supersonic. and lower radio frequency region. Measurements up to 1 megacycle with this instrument are as simple as measurements with the usual multi-range meter a t d-c. Nine ranges give full-scale sensitivities from ,030t o 300 volts. Ordinarily no p r e cautions whatsoever are required: turn-over effect and waveform errors are minimized: there are no adjustments to make during operation: a large overload will not damage the instrument. The input impedance is I megohm so that most circuits will not be disturbed when their voltage is measured.
WIDE-BAND AMPLIFIER
-hp- 490A Amplifier is a new, versatile. wide-band amplifier designed for general laboratory or production use. I t provides exceptional stability a t 40 or 20 d b gain. and gives new freedom from spurious responses. ow phase shift is assured by a straight forward. reresistance-cou led amplifier design, together with inverse feed back. Frequency response is flat within 'z d b / between IO and 1,000,000 cps. Varying tube voltages or aging tubes have no appreciable effect o n the gain or other characteristics. When used in conjunction with -hp- 400A Vacuum Tube Voltmeter. i t increases voltmeter sensitivity 100 times.
AUDIO SIGNAL GENERATORS H-F VACUUM TUBE VOLTMETER
-hp- 410A. High Frequency Vacuum Tube Voltmeter combines in one instrument a n ac voltmeter covering frequencies from 20 cps to 700 mc. a dc voltmeter with 100 megohms input impedance. and an ohmeter capable of measuring resistances from .2 ohms to 500 megohms. The special probe places a capacity of 1.3 uufd acrose the circuit under test. Input resistance for ac measurements is 6 megohms. Six voltage ranges provide fullscale sensitivities from I to 300 volts.
-hp- Audio Signal Generators are designed for timesaving performance. They are excellent for laboratory applications because they supply a voltage as well as a known frequency a t the commonly used impedance levels. They are particularly suitable f o r gain measurements because no auxiliary a paratus
is required. They provide an excellent source of for distortion measurements because their waveform distortion is very small.
voltage
HARMONIC WAVE ANALYZER RESISTANCE-TUNED AUDIO OSCILLATORS
-hp- Resistance-Tuned Oscillators are suitable for almost every type of work. Their low distortion makes them particularlyvaluable in making distortion measurements on audio amplifiers. broadcast transmitters and other equipment. They provide a n excellent source of voltage for accurate bridge measurements. The output is suffcient to drive signal generators and other e q u i p ment requiring considerable power, Their wide frequency range also makes them suitable for work in the supersonic region. -hp- Model 300A Harmonic Wave Analyzer is a n excellent where accurate and laboratory and production work instrument for both rapid measurement of individual components of a complex wave is required. The maximum selectivity is sufficient for measurement of harmonics of frequencies as low as 30 cycles and i t can be varied 'over a wide range. With this variable selectivity feature. measurements a t higher frequencies can be made more rapidly. yet with no sacrifice in accuracy.
DISTORTION ANALYZER
This Model 330B Distortion Analyzer is -hp-'s newest. finest distortion measuring instrument. I t is capable of measuring distortion a t any frequency between 20 cps and 20,000 cps. It will make noise measurements of voltages as small as 100 microvolts. A linear r-f detector makes it possible to measure these characteristics directly from a modulated r-f carrier. The hi h sensitivity. ,stable accuracy and compactness of 330B ma e it extremely valuable for broadcast, laboratory and production measurements.
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