GENERAL RADIO CORP 874-D20L

Price : $ 100
  • Product GENERAL RADIO CORP 874-D20L is in stock
  •  Equipment Location : USA
Description:
GENERAL RADIO CORP 874-D20L ADJUSTABLE STUB, 20 CM

PRODUCT SPECS

(From Used-Line T&M Specifications )
Status -

GR874 short circuit terminations for 50 Ω systems are useful for establishing initial coaxial line-length conditions for impedance measurements. Each termnation consists of a fixed short circuit mounted in a GR874 connector. Each of three versions has a counterpart open circuit termination.

  • Short circuit terminations for 50 Ω lines
    • 874-WN / WN3 non-locking, 874-WNL locking
    • Frequency: dc to 7 GHz, 9 GHz if locked

The GR874 short circuit termination for 75 Ω systems is a fixed short circuit mounted in a locking GR874 (75 Ω) connector for establishing reference conditions in coaxial lines.

  • Short circuit termination for 75 Ω lines
    • 874-WN (75 Ω)
    • Frequency: dc to 2 GHz
    • Plane position: Short circuit is effectively 0 to 0.10 cm toward load from face of bead

GR874 open circuit terminations for 50 Ω systems are useful for establishing initial coaxial line-length conditions for impedance measurements and as a shielding cap for open-circuited lines.

  • Open circuit terminations for 50 Ω lines
    • 874-WO / WO3 non-locking, 874-WOL locking
    • Frequency: dc to 7 GHz, 9 GHz if locked

The GR874 open circuit termination for 75 Ω systems is a fixed open circuit mounted in a locking GR874 (75 Ω) connector for establishing reference conditions in coaxial lines. It is also useful as a shielding cap for open circuited lines.

  • Open circuit terminations for 75 Ω lines
    • 874-WO (75 Ω)
    • Frequency: dc to 2 GHz
    • Plane position: Open circuit plane is 0 to 0.10 cm toward load from nominal position of face of bead, to match the short circuit plane in 874-WN short circuit termination

GR874 resisitive terminations for 50 Ω systems are useful in slotted-line measurements and for checking accuracy of network analyzers, directional couplers, bridges, and admittance meters. The known location of a purely resisitive termination permits the production of many known complex impedances through the addtion of sections of the 874-L air line.

  • Resistance terminations for 50 Ω lines
    • 874-W50B (50 Ω) non-locking
    • 874-W50BL (50 Ω) locking
    • 874-W100 (100 Ω) non-locking
    • 874-W200 (200 Ω) non-locking
    • Frequency: dc to 9 GHz for -W50B and -W50BL, dc to 2 GHz for -W100 and -W200

GR874 adjustable stubs are used for matching or tuning, for adjustable short circuit terminations, and as reactive elements. With an external indicator, the stub can function as a reaction-type wavemeter. The stub consists of a coaxial line with a sliding short circuit of the multiple-spring-finger type.

  • Adjustable stubs for 50 Ω lines
    • 874-D20L (20 cm) locking, 874-D50L (50 cm) locking
    • Frequency: dc to 8.5 GHz

A GR874 75 Ω termination uses a fixed 75 Ω resistor mounted in a locking GR874 (75 Ω) connector for establishing reference conditions in coaxial lines, for impedance matching and for use as a termination.

  • 75 Ω terminations
    • 874-W75 (75 Ω)
    • Frequency: dc to 2 GHz
    • SWR: <1.005 + 0.013 fGHz to 2 GHz

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since 1999



Naptech Test Equipment, Inc.


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11270 Clayton Creek Rd. Lower Lake 95457 CA USA  
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Sales Conditions:

Prices listed on Used-Line are for 3 month warranty with 10 day right to return. If you prefer 12 MONTH WARRANTY visit our website prices. We offer 12 MONTH WARRANTY because we are confident our products will work for years to come. We are well known for our quality products, reconditioned to like new in many cases with standard accessories, manuals and NIST calibration. Naptech will also sell items with a 6 month warranty period or a 10 day ROR at lower prices if you prefer. Just ask us! Shipping via Fed Ex Air Service in most cases, or however you prefer.

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