874-L20

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General Radio 874-L20
20cm airline
Genrad 874-L20

Available from 1951 to (?)

Manuals
Catalog History
 Document Year Page
Catalog M 1951 119
Catalog N 1954 131
Catalog O 1956 54
Catalog P 1959 51
Catalog Q 1961 46
Catalog R 1963 71
Catalog S 1965 90
Catalog T 1968 141
Catalog U 1970 157
Catalog73 1973 247
(All manuals in PDF format unless noted otherwise)

The General Radio 874-L20 is a 20 cm air-dielectric coax line with GR-874 connectors on both ends. The 874-L20L is the same with locking connectors.

Specifications

  • Frequency: DC to 7 GHz (9 GHz if connectors are locked)
  • Electrical length: 20.096 ±0.06 cm
  • Delay: 0.6706 ±0.0018 ns
  • Impedance: 50 Ω
  • Voltage: ≤1.5 kV peak
  • Power: ≤40 kW DC-50 kHz, decreasing with f to 100 W at 10 GHz

Photos