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Telewave 406-512 MHz Bandpass Cavity Filter (TWPC4505-1)

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Telewave 406-512 MHz Bandpass Cavity Filter (TWPC4505-1)

Brand: Telewave           P\N: TWPC4505-1           UPC: 729198425470

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Availability: Usually Ships Same Day
Condition: New


Your Price: $41815


List Price: $454.99




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Description


Telewave The Telewave's Bandpass Cavity Filter is a dual 5" diameter, ¾ wavelength, high "Q" bandpass cavity filters with superior selectivity. Bandpass cavities reject all frequencies outside a narrow passband. These cavities reduce transmitter sideband noise, and also protect receivers against desensitization.

The cavities cover 400-512 MHz. All cavities are tuned to specified frequencies prior to shipping, and no further adjustments should be required. The positive locking mechanism allows for quick field retuning if frequency changes become necessary. These cavities also feature calibrated adjustable coupling. This allows cavity response to be optimized for any operating environment. At densely populated sites, the cavity filters provide greater selectivity with minimum insertion loss. Multiple cavities can also provide a wider passband when required. Mounting rails are provided for all multiple-cavity filters.

Excellent frequency stability is achieved by the use of a specially machined compensator and Invar rod. The pass frequency is temperature stable from -30°C to +70°C. Telewave Ground Loop technology places the center conductor of each coupling loop at DC ground potential for lightning protection and noise reduction. Heavy-duty materials are used throughout each cavity to ensure high performance and long life. Cavity top plates are machined from ¼ -inch aluminum and are heliarc welded to the cavity body at the high current point for improved conductivity and strength. This allows Telewave cavities to handle up to 350 watts, depending on insertion loss. Rigid foam inserts support the tuner assembly allowing vertical or horizontal mounting. Similar metals and alodined aluminum help prevent galvanic corrosion. Silver plated tuners and beryllium copper finger stock provide non-corrosive low loss contact and ensure reliable, long-term performance.

Key Features
  • Reduces transmitter sideband noise and protects receivers against desensitization
  • Covers a 400-512 MHz frequency range
  • Features adjustable coupling for an optimized operating environment
  • Pass frequency is temperature stable from -30°C to +70°C
  • Constructed of durable yet lightweight 1/4" aluminum
  • Dimensions: 23.5" H x 5" Dia


Specs


  • Frequency Range: 400-512 MHz
  • Nominal Impedance: 50 Ohms
  • VSWR: 1.5:1
  • Input Power (Max): 350W
  • Number of Cavities: 1
  • Cavity Size: 5"
  • Insertion Loss Range: 0.3-2.0 dB
  • RF Connectors: N-Female
  • Dimensions: 23.5" x 5" dia


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