1450-TB: Difference between revisions

Revision as of 19:16, 20 February 2024

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

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

General Radio 1450 Series Manual 1450-0100-E (1962)

Links

Experimenter describing 1450 Series December 1949

Photos

@@ Line 1: / Line 1: @@
-Type '''1450-TB 111 dB Decade Attenuator'''.
+[[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==
+* '''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==
+* [[Media:GRwiki Exp 1450-TB 12_1949.pdf|Experimenter describing 1450 Series December 1949]]
 ==Photos==
 <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>
 [[Category:Resistance Standards]]