8143 Signal Selector/Distribution Amplifier
Signal Selector/Distribution Amplifier - Model 8143
- Oscillator Failure Detection Automates Switchover to Backup Frequency Source
- Distribution Outputs Control Up to 12 Transmitter Channels
- 5-Year Limited Warranty
Product Overview
The Model 8143 Signal Selector/ Distribution Amplifier detects failure of either input signal and provides manual or automatic switchover between two frequency sources. The selected input is distributed via twelve buffered output line drivers.
In the automatic mode, Channel A is selected when it is present. Switchover occurs when Channel A is removed, when an alarm is sensed, or when a manual selection is made. In manual mode, switchover is operator-controlled.
Technical Specifications
| Frequency Output | Twelve (12) buffered 10 MHz outputs from the selected input.
600 mV rms sine wave, 50 ohms. Options: 12.8 MHz, 5 MHz or 1 MHz. |
| Alarm Output | Relay contacts SPDT, 2A @ 30 VDC |
| Frequency Input | Two (2) maximum; 10 MHz, 0.10 to 1.0 V rms, 50 ohms.
Options: 12.8 MHz, 5 MHz or 1 MHz. |
| Alarm Input | Two (2) maximum; grounding or RS-422 level activation. |
| Power | 115 VAC ±15%, 60 Hz; 12 W
12/24 VDC Option: +/-11 to 32 VDC; 10 W
48 VDC Option: +/-44.2 to 66.2 VDC; 10 W
DC options provide dual fused inputs and reverse polarity protection. |
| Warranty | 5-Year Limited Warranty |
Physical & Environmental Specfications
| Size | EIA 19" rack W x 3.5"H x 10"D |
| Weight | 6 lbs. maximum |
| Connectors | Frequency outputs: BNC, Alarm outputs: Terminal strip
Frequency inputs: BNC, Alarm inputs: Terminal strip
AC power: 3-prong connector, 7' cord included
DC power: Terminal strip |
| Switches | Power, manual or automatic mode |
| Indicators | Alarms, input ready, input selected |
| Temperature | -30°C to +60°C operating range,
-40 to +85°C storage range |
| Humidity | 95% R. H. non-condensing |
Ordering Information
| 1 | Specify Spectracom Model 8143 plus
Option 06 for 12.8 MHz inputs and outputs
Option 07 for 5 MHz inputs and outputs
Option 08 for 1 MHz inputs and outputs
Option 11 for rack slides
Option 52 for 12/24 VDC power
Option 54 for 48 VDC power |
| Example | 8143-11-53 |