User's Manual

T-4180 HF DSP EXCITER HALF-RACK SPECIFICATION
ENVIRONMENTAL DATA
Operating High Temperature:
MIL-STD-810E, Method 501.3,
Procedure II, Table 501.3-I (ambi-
ent air conditions), maximum test
temperature 50°C, one cycle
Operating Low Temperature:
MIL-STD-810E, Method 502.3,
Procedure II, Temperature 0°C
Storage High Temperature:
MIL-STD-810E, Method 501.3,
Procedure I, 85°C, one cycle
Storage Low Temperature:
MIL-STD-810E, Method 502.3,
Procedure I, Temperature -40°C
for 12 hours
Humidity: MIL-STD-810E,
Method 507.3, Procedure I-
Natural, Table 507.3-I, five
cycles total
Shock: MIL-STD-810E,
Method 514.4, Procedure I,
Category 9, Figure 514.4-15
EMI/EMC
Equipment designed to intent of the
applicable requirements of MIL-STD
461/462 as a guide
DESIGN AND CONSTRUCTION
Design and Construction:
MIL-STD-2036, Paragraph 5.1.4
as a guideline
Workmanship: MIL-HDBK-454,
Guideline 9
Interchangeability: all identical units,
assemblies and replacement parts
are physically, electrically and
functionally interchangeable
DIMENSIONS AND WEIGHT
Size: half 19-inch rack size:
8.45 inches (21.5 cm) wide
3.5 inches (8.9 cm) high
22.25 inches (56.5 cm) deep
Weight: 16 lb. (7.3 kg)
FINISH
Front Panel: FED-STD-595 chip
26307, semigloss grey enamel
Chassis: corrosion protected
following guidelines established in
MIL-HBK-454, Requirement 15
Handles and Silkscreen Markings:
matte black
OPTIONS
High Performance Ref Oscillator:
OCXO, 0.1 ppm of tuned
frequency
Parallel Data Bus: IEEE-488 (Not
available with RS-232/RS422
Serial Data Bus
Dual Rack Mount Kit: Hardware and
slides to fasten two T-4180
exciters together for installation in
standard 19” rack.
Available as a single 19” rack mount
Chassis (T-4150).
with T1
TMS320C31-50
D/A
4
5
5
Front Panel
Control
Processor
Digital Signal Processor
X 4
f
o
= 24 +-0.5 kHz 456 +- 0.5 kHz
40.456 MHz
+- 0.5 kHz
1.6 - 30 MHz
VCO
PLL
Coarse
Loop
(1 MHz)
10 MHz
TCXO
48 MHz Clock
Output
Loop
80
Fine Loop
(80 kHz)
Synth. Frequency
Postselector Band
Ext. Reference
A/D
A/D
DSP Commands
RS-232/422
480 kHz
Logic
AM
USB
LSB
ISB - USB
ISB - LSB
Analog Strobe
40 MHz
42.056 - 70.456 MHz
in 1 kHz steps
10 MHz
Band Select
.
.
.
.
.
.
.
.
1.6 - 2.3 MHz
2.3 - 3.3 MHz
3.3 - 4.8 MHz
4.8 - 6.9 MHz
6.9 - 9.9 MHz
9.9 - 14.3 MHz
14.3 - 20.5 MHz
20.5 - 30.0 MHz
Postselector
RF
Out