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Synchro signal

 
  Synchro Booster Amplifiers & Digitdal to Synchro Converter
  
 작성자 : 최고관리자
작성일 : 2014-01-24     조회 : 3,144  
 첨부파일 :  SBA-130822.pdf (252.8K) [64] DATE : 2014-03-12 16:49:54



FEATURES

* 25, 100VA Models
* 60 or 400, & 60 and 400 Hz. Models
* 25 VA Units Deliver 100 VA + Peak Drive
* Trouble Free Isolated Inputs & Outputs
* Ultra High Efficiency, Low Distortion
* Very Low Loss & Heat Dissipation
* Simple Bulk-Head/Backplane Mount
* High Resistance to Shock and Vibration
* High Reliability Throughout Implementation
* Built in Kick to Free Stalled Rotors
* Thermal and Overload Sense & BIT Report
* Output Enable & Circuit Safe Disable Control
* Transient & Short Circuit Protected Outputs

APPLICATION

* Training Simulators
* Remote Indicators
* Gun Fire Control
* Navy Retransmission Systems

DESCRIPTION

SBA series” Synchro Booster Amplifiers is proven, high efficiency, low cost, compact, reliable solid state synchro drivers; designed for demanding Naval/Maritime, fire control and Radar/Antenna related applications. They are commonly used on synchro based on data transmission, retransmission, simulation, and instantaneous absolute position indicating and active control systems.
SBA series accept any 3 wire synchro, or 4 wire sine/cosine resolver inputs. DSC series accept up to 16 bits of parallel binary data inputs, either providing an efficient high power 3 wire synchro output, capable of driving direct and multiple large synchro loads. Models range from 25VA continuous/ 100VA peak, 50VA/200VA peak, 100VA/400VA peak, and 150VA/600VA peak selections standard product, and up to 300VA100+VA peak units can be provided on special applications.
All models are completely powered from the AC reference input, eliminating the need for any large and very expensive (heat generating) linear DC supplies.
Installation is easy: in most synchro booster-amplifier, repeater, and retransmission applications; simply treat it like a synchro; mount it, wire your 5 synchro source leads, 3 synchro destination leads, and your running!
For high power D-S applications; the digital to synchro converter is built into, and completely powered by the amp. To install D-S units, simply apply your 14 or 16 bit digital TTL data in lieu of synchro input and you’re running. The input is continuous, and the input to output throughput is less than 100 usec.

SPECIFICATIONS

DC Power Input for Logic Output Supply
+5VDC. +10% @ 10mA MAX. (Not Required on -P units, add a p to the end of part number)

Digital Inputs/Outputs: (All Units)
* Disable...Input (DIS) : Logic “0” = L=OVDC Enable Power Amplifier Output, TTL Compatible,
requires 2.5ma. at logic 0
Isolation : OptoIsolated - 1000V Peak min. Breakdown voltage to Ground.
Built-in-test...Output, Overload Indicator (BIT) : logic level 1=H, drives 2 TTL loads, indicates amplifier
sensed over load condition forcing it to shut down its outputs until conditions are
satisfied.
Isolation : OptoIsolated - 1000V Peak min. Breakdown voltage to Ground.

Signal Inputs
Synchro : 90V L-L 400Hz +10% Impedance = 400K Ohms min. balanced

Signal Input Isolation
Internally Transformer Isolated; 500VDC min. Breakdown Voltage to Ground.

Synchro Output
90V. Output Models : 90V L-L +1%:
25VA Models: Drives Zso = 243 Ohms (Passive CT & CDX type loads),
Zss = 6 Ohms (Active Torque Receiver type loads)
100VA Models : Drives Zso = 61, Zss = 1.5 Ohms

ACCURACY
+3 arc. minutes for passive CT & CDX load

Reference Power Input
90V Signal, 25VA Models : 115V. RMS +10%, 360-440 Hz. @ 50 mA
90V Signal, 100VA Models : 115V. RMS +10%, 360-440 Hz. @ 725 mA