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Crocodile IS-95 CDMA Transmitter

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Features

Specifications

Frequencies

Software

FAQs

Crocodile IS-95 CDMA Transmitter

The Crocodile™ is an ANSI-95 CDMA transmitter that is ideal for simulating a CDMA Base Station with its Pilot I and Q modulated output and assignable PN Offsets. The transmitter is housed in a high impact, water resistant case, operates from AC or battery power and is ideal for field use. Available in either PCS or Cellular, the Crocodile™ is able to simulate all 512 base stations with definable PN offsets (64 chip increments), rubidium stability and full VSWR protection. A CW option allows Crocodile to transmit in either CDMA or CW all from one portable unit.

PDF Download Crocodile data sheet

PDF Download Crocodile manual from the Technical Support section

DISK Download Crocodile software updates

PDF Download Crocodile related articles

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Features
  • CDMA (IS-95) Pilot I and Q modulation signals
  • Optional CW transmission capability (effectively an intergrated Gator CW Transmitter)
  • Assignable PN Offset
  • Power amplifier with continuously adjustable power output ± 1.0 dB
  • Supervisory circuits monitor and shuts down the PA under error conditions
  • Rubidium time base
  • 8-channel GPS receiver (differential ready)
  • Available in either PCS or Cellular band
  • Compatible with the Super Eagle Pilot Scanner
  • VSWR antenna protection and internal forward and reverse power measurement
  • Powered from 110-240 VAC or battery
  • Built-in thermal overheat protection for the PA
  • Adjustable remotely via RS-232, internal modem or signaling tones
  • Weighs only 24 pounds
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Specifications
GENERAL SPECIFICATIONS:  
Frequency Range
PCS model 1.930-1.990 GHz 30 kHz steps
PCS model 1.930-1.990 GHz 50 kHz steps
Cellular model 869.04-893.97 MHz 30 kHz steps
Output Power
10 Watt - Class A Power Amp for PCS model
10 Watt - Class A Power Amp for Cellular model
Modulation
I and Q Pilot codes (IS-95) @ 1.2288 MHz
PN Offset Definable in 64 chip increments (Base Stations 0-511)
Clock Stability .1 part per billion
Output Filtering Digital FIR
Monitors Clock Stability, Power Good and Modulation Detect
VSWR Monitoring Internal power meter for monitoring reflected power
Output Protection Power Amplifier can withstand infinite VSWR and is temperature protected
GPS Motorola Encore 8-channel
Remote Modem Control Internal Bell 212A modem for full remote control
Remote Telco Control On/Off and power level with DTMF tones
Measurement Accuracy
Ec/Io + 1 dB @ 25C degrees)
+ 2 dB (0-50C degrees)
MECHANICAL SPECIFICATIONS:  
Display 64 x 240 backlit CCF LCD
Warm-up Time Less than 5 minutes
Power

90-250 VAC or PCS 12VDC @ 10 Amps

Cellular 24VDC @ 8 Amps
Weight 24 pounds
Dimensions 18" x 15 1/2" x 7"
OPTIONS:  
CW option allowing Crocodile to transmit Continuous Wave signals just like a Gator all in one portable unit.
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Frequencies
  • PCS 1930-1990 MHz (Bands A through F)
  • Cellular 865-897 MHz
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Software

Crocodile Controller Software

Crocodile Controller Software

The Crocodile Controller™ application software is the Windows 95/98 interface that enables a user of the Crocodile Transmitter to control the unit for desired performance. Certain operations such as modification of frequency,transmit power, and base station offset can be accomplished from a remote location by using the Crocodile Controller software. The Crocodile Controller application mimics the display panel for the Crocodile. The status is reported once a second from the Crocodile and updated on the PC display. Different commands can be sent to the Crocodile from the software to control certain parameters of the transmitter.
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FAQs

Does Crocodile transmit a CW signal?

The standard Crocodile only transmits PCS and Cellular IS-95 CDMA signals. BVS has introduced a CW transmitting option to Crocodile that is effectively like having a Gator and Crocodile in one portable unit.

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