micro-Gemini-2 Video Link Expander
micro-Gemini-2 is the simplest way to add an extra camera to ultra-covert surveillance links and retains all the key features of the standard Gemini range including full colour operation, fast update rate, on-screen display and by-pass on power-down.
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The micro-Gemini-2 encoder combines two independent video inputs together to give a single field-multiplexed output, which is compatible with most real-time video links, including coax, fibre optic, analogue wireless and even some digital wireless links. At the receive site, the signal is decoded back onto two separate outputs by a micro-Gemini-2 or standard Gemini-2 /4 decoder.
micro-Gemini-2 Typical Application Diagram
micro-Gemini-2 Dimensions and Interfaces
Micro-Gemini-2 Side On
(click on photo for more pictures)
micro-Gemini-2 Specification
| Outline Specifications: | |
| Operating temperature range | -10 to + 55 deg C |
| Mechanical size (housed) | 67 x 43 x 7.5 mm |
| Finish | Black hard-anodised aluminium |
| Weight (housed) | 35 g |
| DC power | 6 to 25 V DC |
| Typical current consumption | <1.6 W, 130mA@12V typ. |
| Compatibility | Gemini-2 or Gemini-4 |
| On-screen display | Camera number/status dot |
| Lock-in time | <1 second |
| I/O connector | 10 way 1.25 mm SIL Molex |
| EMC compliance | EN5502 class A EN50082-1 FCC part 15B class A |
| Video: | |
| Number of channels | Encoder: 2 in, 1 out Decoder: 1 in, 2 out |
| Multiplex method | Field sequential, no gen-lock required |
| Video standards supported | PAL or NTSC (auto switching) |
| Video input / output | 1 Vpp into 75R, + 10% |
| Picture update-rate | 25 (PAL) or 30 (NTSC) fields per second per camera |
| Maximum delay (video in to out) | 60 mS |
| Synchronisation line | PAL:21/334 PAL, NTSC:21/284 or active lines 24/337, 22/285 |
| Operation with one valid input | Non-multiplexed |
Product Codes
Product Code |
Description |
| MG2B-5317 | micro-Gemini-2, miniature two way video link expander (multiplexer / demultiplexer pair) |
Due to continual product development Ovation Systems reserve the right to change specifications without notice. E&OE.
- Easier way to add an extra camera to video surveillance links
- Small size means it can be concealed for ultra-covert installations
- Low power consumption (typically 130mA at 12V)
- Gives fast update rate of 25/30 fields per channel
- Operates with Gemini-2 and Gemini-4 decoders
- Compatible with real-time video links including most COFDM digital links
For further information
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