Equipment Required But Not Supplied (V3)

Figure 1-6 Radar Set AN/SPS-64(V)3 Major Units

Figure 1-7 Radar Set AN/SPS-64 (V)3 Block Diagram

TM-11-5840-360-14-1-1 Radar Set AN/SPS-64(V)5 (NSN 5840-01-034-3946) Manual
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TM 11-5840-360-14-1-1

1.8.2 Equipment Required But Not Supplied (V3)

Table 1-8 lists the cable and waveguide required but

1.9 RADAR SET AN/SPS-64(V)4

not supplied for Radar Set AN/SPS-64 (V)3.

The Dual (Special) System uses one 12-Inch

Indicator, two 16-Inch Indicators, one X-band antenna

and antenna pedestal, one S-band antenna and antenna

Table 1-8 Radar Set AN/SPS-64(V)3 Equipment

pedestal and one each X-band and S-band Receiver

Required But Not Supplied

Transmitter.

The system adds the Dual Interface

components to drive the AN/SPA-66 and AN/SPA-25

Cable

Waveguide

Type

Indicators. The technique adopted to configure the

Belden 8777

existing AN/SPA Indicators of the SLA/10 system into

Belden 9253

the Raytheon system is to provide an interface which

Belden 9775

accepts signals (AN/SPA-type synchro) from the

RG-59A/U

selected radar antenna, and all other required signals

RG-67/U

with the same characteristics used by Raytheon

FSGA-9

indicators. The AN/SPA interface consists of a control

MSCA-7

indicator at the AN/SPA-66 and the AN/SPA-25, a signal

TSGA-3

data converter and an amplifier generator. These units

TSGA-4

convert all signals and lines to have correct interfaces

for the AN/SPA indicators. The signal data converter

1.8.3 Block Diagram Description (V3)

includes all power supplies required for the conversion

Figure 1-7 is a block diagram showing the major

and amplifier circuits. It also interfaces with additional

components of Radar Set AN/SPS-64(V)3. This radar

controls required to operate the AN/SPA indicators. The

set uses two 12-inch indicators, one 16-inch indicator,

AN/SPA interface presents a single interface to the

two antennas, two antenna pedestals and two receiver

switching unit. To retain the SPA bearing features,

transmitters, all primary radar components (described in

synchros are added to both antennas to provide

paragraph 1.6.3). Two six-position switching units are

appropriate bearing signals for the SPA-25 and SPA-66

used, each capable of switching two indicators to either

indicators. The switching units select the required

receiver transmitter. This dual arrangement reduces the

antenna synchro signals appropriate to the selected

possibility of total system failure by providing alternative

configuration mode.

Refer to Figure 1-8 for unit

switching paths and devices. It is more reliable than a

illustrations.

single twelve-position switch because available switches

are more rugged, with fewer critical shaft angle

1.9.1 Equipment Supplied (V4)

locations. Furthermore, standard configurations are

Table 1-9 lists the equipment supplied with Radar

used, with easy circuit traceability for installation and

Set AN/SPS-64(V)4.

maintenance.

1.9.2 Equipment Required But Not Supplied (V4)

1.8.4 Performance Characteristics (V3)

Performance characteristics for specific equipment

Table 1-10 lists cable and waveguide required but

is foundthe reference paragraphs listed below:

not supplied for Radar Set AN/SPS-64(V)4.

Equipment

Paragraph

1.9.3 Block Diagram Description (V4)

Receiver Transmitter

RT-1240

1.11

Figure 1-9 is a block diagram showing the major

Antenna

AS-3194

1.12

components of Radar Set AN/SPS-64(V)4. This radar

Indicators

IP-1282 & 1283

1.13

set operates at X-band, 9420+7 MHz (tunable from 9405

Switching Unit

SA-2139

1.14

to 9435 MHz) with a peak pulse power output of 20 kW

Video Amplifier

AM-6932

1.15

and pulse widths of 0.06, 0.5, and 1 microsecond. The

AN/SPS-64(V) 4 also operates at S-band (fixed

1.8.5 Required Test Equipment and Tools (V3)

frequency 3050 + 25 MHz) with a peak pulse power

Required test equipment and tools are listed in

output of 50 kW (+10 kW) and pulse widths of 0.06, 0.

Table 1-3.

5, and 1 microsecond. Target echoes, fixed marks and

the ship's heading flash are displayed on three daylight

1.8.6 Shipboard Spares (V3)

view azimuth range indicators (plan position display).

Shipboard spares are listed in Table 1-4.

1-14

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