Difference between revisions of "AN~URC-32"

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[[File:AN URC-32.jpg|400px]]
 
[[File:AN URC-32.jpg|400px]]
 
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[[File:AN URC-32_controls.jpg|400px]]
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=Description=
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Radio transceiver AN/URC-32 is a manually operated radio communication equipment for operation in the 2-30 mHz range. With a power output of 500 watts, this transceiver is capable of transmitting signals over long distances. It is designed for single-sideband transmission and reception on upper sideband (USB), lower sideband (LSB), or the two independent sidebands simultaneously, with separate AF and IF channels for each sideband.  In addition to SSB operation, provisions are included for compatible a-m (carrier plus upper sideband), CW, or frequency shift keying (fsk). The fsk mode of operation is used for sending radio teletype (RATT) and facsimile (FAX) signals.
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    The frequency range of 2 to 30 mc is covered in four bands. The desired operating frequency is selected in 1 kHz  increments (0.1 kHz on B model) on a direct-reading frequency counter. Frequency accuracy and stability are controlled by a self-contained frequency standard. Provisions also are made for using an external frequency standard. Because of its versatility and power, the AN/URC-32 is installed on most Navy ships having a requirement for communicating at long distances.
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==Cross Reference Chart==
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The URC-32 is essentially a Collins KWT-6, the following chart describes the individual components between the Collins and Military designations.
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{| class="wikitable" style="width:50%; border:2px solid black;"
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!colspan="3"| Collins to Military Component Designations
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|-
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! scope="col" |Description
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! scope="col" |Collins
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! scope="col" |Military
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|-
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|Transceiver Power Amplifier
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|KWT-6 (8) Power Amplifier
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367A-3
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|Radio Set AN/URC-32() Radio Frequency Amplifier AM-2061/URT
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|-
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|Frequency Generator
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|
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|
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|-
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|Sideband Generator
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|
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|
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|-
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|Audio and Control Unit
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|
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|
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|-
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|Audio and Control Unit
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|
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|
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|-
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|High Voltage Power Supply
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|
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|
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|-
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|Low Voltage Power Supply
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|
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|
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|-
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|Dynamic Handset
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|
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|
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|-
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|Handset Adaptor
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|
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|
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|-
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|Frequency Comparator
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|
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|
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|-
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|CW and FSK Unit
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|
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|
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|-
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|Dummy Load
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|
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|
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|-
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|Junction Box
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|
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|
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|-
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|Blower
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|
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|
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|-
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|Mounting Rack and Shock Mount
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|
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|
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|-
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|}
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[[File:CV-731 URC 8751786219 l.jpg|400px]]
 
[[File:CV-731 URC 8751786219 l.jpg|400px]]

Revision as of 01:25, 13 December 2016


AN URC-32.jpg AN URC-32 controls.jpg


Description

Radio transceiver AN/URC-32 is a manually operated radio communication equipment for operation in the 2-30 mHz range. With a power output of 500 watts, this transceiver is capable of transmitting signals over long distances. It is designed for single-sideband transmission and reception on upper sideband (USB), lower sideband (LSB), or the two independent sidebands simultaneously, with separate AF and IF channels for each sideband.  In addition to SSB operation, provisions are included for compatible a-m (carrier plus upper sideband), CW, or frequency shift keying (fsk).	The fsk mode of operation is used for sending radio teletype (RATT) and facsimile (FAX) signals.
   The frequency range of 2 to 30 mc is covered in four bands. The desired operating frequency is selected in 1 kHz  increments (0.1 kHz on B model) on a direct-reading frequency counter. Frequency accuracy and stability are controlled by a self-contained frequency standard. Provisions also are made for using an external frequency standard. Because of its versatility and power, the AN/URC-32 is installed on most Navy ships having a requirement for communicating at long distances.

Cross Reference Chart

The URC-32 is essentially a Collins KWT-6, the following chart describes the individual components between the Collins and Military designations.

Collins to Military Component Designations
Description Collins Military
Transceiver Power Amplifier KWT-6 (8) Power Amplifier

367A-3

Radio Set AN/URC-32() Radio Frequency Amplifier AM-2061/URT
Frequency Generator
Sideband Generator
Audio and Control Unit
Audio and Control Unit
High Voltage Power Supply
Low Voltage Power Supply
Dynamic Handset
Handset Adaptor
Frequency Comparator
CW and FSK Unit
Dummy Load
Junction Box
Blower
Mounting Rack and Shock Mount


CV-731 URC 8751786219 l.jpg


Military HD-347/U Electronic Equipment Air Cooler (Collins Blower 1990-3)

Collins Blower 1990-3, shown in figure 20, is a centrifugal blower capable of delivering 125 cfm of air at a pressure equivalent to 1.83 inches of water. The 1990-3 includes a double-pole, single-throw switch which is actuated by air pressure. The switch contacts are used as interlocks for the primary power to the system. A block diagram of the 1990-3 is shown in figure 21. The unit mounts in a standard 19-inch open-type rack. Cooling air is supplied to the units mounted in the rack through a central air duct, All power and control connections are made through an 8-pin connector located on the top of the 1990-3. Access to components is obtained by removing the front cover and air filter.

Technical characteristics

VOLTAGE SOURCE
115/230 Volts AC, 50 to 60 cps.
POWER INPUT
215 watts at 1.0-in. water gauge pressure.
OUTPUT CAPACITY
125 cfm at 1.83-in. water gauge static pressure.
DIMENSIONS
8-7/8 in. high by 11-1/4 in. deep by 19 in, wide.
WEIGHT
22 pounds.
REQUIRED RACK SPACE
8-7/8 in,
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