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SITCO Antennas
10330 NE Marx St
Portland, OR 97220
Ph: (503) 253-2000
Fax: (503) 253-2009
E-mail:
sitco@simplicitytool.com

 

 

 
  Preamplifiers                                                                                                                                         SITCO Antennas

 

PREAMPLIFIERS

HIGH GAIN - LOW NOISE - RUGGED

 PA24 Series Preamp     PS24 Power Supply     PS24-F Series Power Supply

PA24 Series Preamps

Sitco/Triax PA24-series preamplifiers are designed for critical professional applications high gain, very low noise figures, high output level, narrow bandwidth with flat response, tight RF shielding and rugged mechanical design for high reliability. The preamps are housed in heavy weatherproof die-cast aluminum housings equipped with hardware for mast mounting. F connectors and 75-ohm impedance are standard while N connectors and/or 50-ohm impedance are available.

  These preamps require 24 VOLT DC power (negative ground) which is usually supplied via the output coaxial cable. As an option, DC may be fed directly into a third cable port in the preamp housing. DC power may be supplied by the Sitco PS24 power supply or from any other suitable source.

Typical Response Curves  (PA24-N50-15) 

 

   Channels CH 2-6 FM CH 7-13 UHF CH 2-6 CH 7-13 CH 14-69
   Frequency (MHZ)            54-88 88-106 174-216 470-806 588 174-216 470-806
  Type

Group

Tuned

Group

Tuned

Group

Tuned

Group

Tuned

1 CH Tuned 1 CH Tuned 1 CH Tuned
  Gain (dB) 20 19 25 25 19 24 24
  Noise Figure <1.6 <1.8 1.5 1.4 <1.6 <3.0 1.4
  Power (V/mA) +24/100 +24/100 +24/100 +24/100 +24/100 +24/100 +24/100

 

 

Ordering information:

Description

Part No.

Broadband UHF (470-890 MHz) "F" connector PA24-F-UHF
Broadband UHF (470-890 MHz) "N" 50 ohm connector PA24-N50-UHF
Broadband UHF (470-890 MHz) "N" 75 ohm connector PA24-N75-UHF
Tuned UHF "F" connector, xx - select channel PA24-F-xx
Tuned UHF "N" 50 ohm connector, xx - select channel PA24-N50-xx
Tuned UHF "N" 75 ohm connector, xx - select channel PA24-N75-xx
Broadband VHF Low Band "F" connector, channels 2 to 6 PA24-F-2/6
Broadband VHF Low Band "N"50 ohm connector, channels 2 to 6 PA24-N50-2/6
Broadband VHF Low Band "N" 75 ohm connector, channels 2 to 6 PA24-N75-2/6
Tuned VHF  Low Band "F" connector, x - select channel from 2 to 6 PA24-F-x
Tuned VHF  Low Band "N"50 ohm connector, x - select channel from 2 to 6 PA24-N50-x
Tuned VHF  Low Band "N" 75 ohm connector, x - select channel from 2 to 6 PA24-N75-x
FM Band (88-108 MHz) "F" connector PA24-F-FM
FM Band (88-108 MHz) "N" 50 ohm connector PA24-N50-FM
FM Band (88-108 MHz) "N" 75 ohm connector PA24-N75-FM
Broadband VHF High Band "F" connector, channels 7 to 13 PA24-F-7/13
Broadband VHF High Band "N" 50 ohm connector, channels 7 to 13 PA24-N50-7/13
Broadband VHF High Band "N" 75 ohm connector, channels 7 to 13 PA24-N75-7/13
Tuned VHF  High Band "F" connector, xx- select channel from 7 to 13 PA24-F-xx
Tuned VHF  High Band "N" 50 ohm connector, xx - select channel from 7 to 13 PA24-N50-xx
Tuned VHF  High Band "N" 75 ohm connector, xx - select channel from 7 to 13 PA24-N75-xx
940-960 MHz "F" connector PA24-F-950
940-960 MHz "N" 50 ohm connector PA24-N50-950
940-960 MHz "N" 75 ohm connector PA24-N75-950
450-470 MHz "F" connector PA24-F-450
450-470 MHz "N" 50 ohm connector PA24-N50-450
450-470 MHz "N" 75 ohm connector PA24-N75-450

 

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PS24 Power Supply

 

The Sitco PS24 Power Supply is designed to provide power for a single Sitco / Triax PA24 series low noise preamplifier.

 

 

 

 

Feature include:

 

  • Line fusing
  • Transient voltage spike protection
  • LED output indicator
  • Fused output to prevent damage to preamp in case of voltage regulator failure or output overload
  • RF / DC diplex network to power the preamp via the coaxial downlead

 The Sitco Power Supply is designed for high performance, and reliability and is intended for indoor use.

Specifications:

Input voltage requirements

115-120 VAC 50/60 Hz or

208-240 VAC 50/60 Hz (as order)

Regulated output voltage

24 VDC (+ 4%) at 120 am

Impedance

50 or 70 ohms (as ordered)

Connector

N or F (as ordered)

 

 

 

 

 

 

 

 

 

Ordering information:

Description

Part No.

115-120 VAC, 75 ohm F PS24-FS
115-120 VAC, 75 ohm N PS24-N75
115-120 VAC, 50 ohm N PS24-N50
208-240 VAC, 75 ohm F PS24-FS-220
208-240 VAC, 75 ohm N PS24-N75-220
208-240 VAC, 50 ohm N PS24-N50-220

 

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PS24-F Series Power Supply

 

 

  • F-connectors

  • Attractive modern housing design

  • Overload and short-cicuit proof

  • SMD technique design

  • White plastic mounting

  • "Click-on" bracket wall mount

 

 

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                                                                                                                                                                       SITCO Antennas

 

 

All contents copyright 2002, Simplicity Tool Corporation.                                                                          Last Update 01-20-03

All Rights Reserved.