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參數資料
| 型號： | RDC-361-M-1 |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 位置變換器 |
| 英文描述： | SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, DIP34 |
| 封裝： | 3.125 X 2.625 INCH, 0.820 INCH HEIGHT, PACKAGE-54/34 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 102K |
| 代理商： | RDC-361-M-1 |
SDC-361/362
16-BIT, TWO SPEED SYNCHRO-TO-DIGITAL
AND RESOLVER-TO-DIGITAL CONVERTER
DESCRIPTION
The SDC-361 is a low-cost, single
module synchro-to-digital (S/D) and
resolver-to-digital (R/D) tracking con-
verter. A unique control transformer
algorithm is used that provides inher-
ently higher accuracy and jitter-free
output. Other features include a BIT
logic signal to indicate proper tracking
and
an
analog
velocity
output.
Utilizing a type II servo loop, these
converters have no velocity lag up to
the specified tracking rate, and output
data is always fresh and continuously
available. Each unit is fully trimmed
and requires no adjustment.
APPLICATIONS
The SDC-361 may be used wherever
analog angle data from synchros or
resolvers must be converted rapidly
and accurately to digital form for
transmission, storage and analysis.
Because these units are extremely
rugged and stable, and meet the
requirements of MIL-STD-202E, they
are suitable for the most severe
industrial, commercial and military
applications. Military ground support
and avionics uses include ordnance
control, radar tracking systems, navi-
gation and collision avoidance sys-
tems.
FEATURES
Accuracy: ±1 LSB = ±20 Seconds
SIGNAL AND REF INPUTS:
- Internal Transformer Isolation
- Broadband Input: 350-3000 Hz
or 47-3000 Hz
- All common L-L voltage levels
LOGIC:
- TTL Compatible
- 16-Bit Parallel Binary Angle
Output, and Converter Busy,
Inhibit and BIT
POWER REQUIREMENTS:
- ±15 VDC and +5 VDC
36X
SYNCHRO
INPUT
S1
S2
S3
SCOTT-T
TRANSFORMER
SIN 36
θ
COS 36
θ
SIN 36 (
θ - φ)
SIN (
θ - φ)
STICKOFF
CROSS-OVER
DETECTOR
REFERENCE
ISOLATION
TRANSFORMER
ERROR
(
θ - φ)
R
RH
RL
REF
INPUT
ERROR PROCESSOR
AND VOLTAGE
CONTROLLED
OSCILLATOR
VEL VELOCITY
INH INHIBIT
CB CONVERTER
BUSY
DIGITAL OUTPUT
φ
BITS 1to 16
SIN
(θ φ +2.5)
CONTAINS 2.5
ANGLE OFFSET
φ
CONTROL
TRANSFORMER
CT
SIN
θ
COS
θ
SCOTT-T
TRANSFORMER
16 BIT
UP-DOWN COUNTER
(CONTAINS ANGLE
φ)
36
φ
36X DIGITAL
MULTIPLIER
CONTROL
TRANSFORMER
CT
36X OR 1X RESOLVER INPUT OPTION:
RESOLVER
INPUT
RESOLVER
ISOLATION
TRANSFORMER
S1
S2
S3
S4
SIN
θ
COS
θ
1X
SYNCHRO
INPUT
S1
S2
S3
NOTE: Block Diagram Illustrates
SDC-361. All References to "36X"
are "18X" for SDC-362.
-
+
1980, 1999 Data Device Corporation
FIGURE 1. BLOCK DIAGRAM
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