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1450-TB: Difference between revisions
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[[File:GR 1450-TB Front.jpg|thumb|450px|right|General Radio 1450-TB]] | |||
The '''General Radio 1450-TB''' is a Decade Attenuato, [[introduced in 1949]] Catalog L and available to Catalog78. | |||
The 1450-TB is part of a series of Decade Attenuators based on the Type 829 T type unbalanced attenuator unit. It contains three of these units | |||
to obtain 111 dB of attenuation in 0.1 dB steps at 600 Ω. Using the supplied chart to calculate correction for mismatch of | |||
input and or output impedance. | |||
==Specifications== | ==Specifications== | ||
* '''Attenuation:''' 111 dB in steps of 0.1 dB. | |||
* '''Input Impedance:''' 600 Ω | |||
* '''Output Impedance:''' 600 Ω | |||
* '''Frequency Discrimination:'''Less than ±1% of the indicated value: At 1 MHz. | |||
==Manuals== | |||
* [[Media:GR 1450 Decade Attenuator.pdf|General Radio 1450 Series Manual 1450-0100-E (1962)]] | |||
==Links== | ==Links== | ||
* [[Media:GRwiki Exp 1450-TB 12_1949.pdf|Experimenter describing 1450 Series December 1949]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 1450-TB Bottom.jpg | |||
GR 1450-TB Front.jpg | |||
GR 1450-TB Inside Close-up.jpg | |||
GR 1450-TB Rear.jpg | |||
GR 1450-TB Top Inside.jpg | |||
GR 1450-TB Top.pdf | |||
GR 1450-TB Chart.pdf | |||
</gallery> | </gallery> | ||
[[Category:Resistance Standards]] | [[Category:Resistance Standards]] | ||