1650-B: Difference between revisions
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* [[Media:GRwiki 1650-B Impedance Bridge 1650-0120-A 04-1968.pdf|General Radio 1650-B Impedance Bridge 1650-120-A 04-1968]] | * [[Media:GRwiki 1650-B Impedance Bridge 1650-0120-A 04-1968.pdf|General Radio 1650-B Impedance Bridge 1650-120-A 04-1968]] | ||
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The '''General Radio 1650-B Impedance Bridge''' was introduced in | The '''General Radio 1650-B Impedance Bridge''' was introduced in {{Catalog T}} and remained available through {{Catalog 1978}}. | ||
The Type 1650-B is the improved version of the iconic [[1650-A]]. Improvements include an added conductance bridge, slow motion dials for DQ and RCL, battery check setting on the function switch and a side panel for connections preciously on the front panel. The 1650-B uses a redesigned battery compartment, the batteries are contained in a removeable tube accessible after removing the bridge from its case. The 1650-B also features the "Orthonull" device that helps prevent a sliding null (See [[1650-A]]). The specifications are similar to its predecessor the [[1650-A]] . | The Type 1650-B is the improved version of the iconic [[1650-A]]. Improvements include an added conductance bridge, slow motion dials for DQ and RCL, battery check setting on the function switch and a side panel for connections preciously on the front panel. The 1650-B uses a redesigned battery compartment, the batteries are contained in a removeable tube accessible after removing the bridge from its case. The 1650-B also features the "Orthonull" device that helps prevent a sliding null (See [[1650-A]]). The specifications are similar to its predecessor the [[1650-A]] . | ||
Revision as of 03:37, 2 April 2024
The General Radio 1650-B Impedance Bridge was introduced in Catalog T (1968) and remained available through Catalog 1978.
The Type 1650-B is the improved version of the iconic 1650-A. Improvements include an added conductance bridge, slow motion dials for DQ and RCL, battery check setting on the function switch and a side panel for connections preciously on the front panel. The 1650-B uses a redesigned battery compartment, the batteries are contained in a removeable tube accessible after removing the bridge from its case. The 1650-B also features the "Orthonull" device that helps prevent a sliding null (See 1650-A). The specifications are similar to its predecessor the 1650-A .
Specifications
- Capacitance: 1 pF to 1100 μF in 7 ranges.
- Inductance: 1 μH to 1100 H in 7 ranges.
- Resistance: 1 mΩ to 1.1 MΩ in 7 ranges.
- Conductance: ac or dc, 1 n℧ to 1.1 ℧ in 7 ranges.
- D: (series capacitance) 0.001 to 1 at 1 kHz, (parallel capacitance) 0.1 to 50 at 1 kHz.
- Q: (series inductance) 0.02 to 10 at 1 kHz, (parallel inductance) 1 to 1000 at 1 kHz.
- Basic accuracy: ±1% of full scale, ±5% for dissipation factor.
- Internal oscillator: 1 kHz ±2%.
- Frequency range: 20 Hz to 20 kHz (to 100 kHz with reduced accuracy).
