Link electronic HDG-820, HDG-821 manual Link Electronics, Inc, Series, Features

LINK ELECTRONICS, INC.

HD TEST SIGNAL GENERATOR MODELS HDG-820 & HDG-821

800 SERIES

MADE IN THE USA

‹ 23 different HD video formats	FEATURES	‹ 8 selectable channels to be embedded
‹ 30 different test patterns		‹ 2 AES outputs
‹ HD analog and SDI outputs		‹ Power-up user settings
‹ YUV or RGB analog outputs		‹ Loadable factory defaults
‹ Tri-level Sync output		‹ Adjustable audio frequency and amplitude
‹ AES audio generation		‹ Adjustable horizontal & vertical timing (821 only)

The HDG-820/821 series by Link Electronics is a series of broadcast High Definition Pattern Generators, providing the user with high quality, low cost system to produce HD Test Patterns. The HDG-820/821 is a self contained product for standard 19 inch rack mounting.

The HDG-820/821 is a high defintion video test pattern generator in a stand-alone one rack (RU) chassis. The unit has two serial digital outputs at 1.485GB/s and YUV-RGB analog outputs. The digital and analog outputs are simultaneous on the rear panel, and contain the same test pattern. The user may embed internal audio tones on the digital video output, if desired.

There are two audio groups supported, which allow for eight channels. The channels can be enabled on an individual basis. The internal tones generated are adjustable from 400Hz to 10KHz, 0 to -30dBFS. There are also two BNC connectors for AES output, which will allow four channels of audio for monitoring. Serial control will allow changes to be made via a PC, (the serial control is a development for a later release). There are a total of thirty test signals available, including SMPTE, EIA and Full Field Bars.

The Link Electronics product design, performance and reliability are reflected in the New-Generation of Link Electronics products. A pair of lighted push buttons and an optical rotary encoder change and select various menus. User friendly operation is a key concept of the HDG-820/821.

The 20X2 Vacuum Fluorescent Dispaly shows data for operational functions. All user controls are made from the front panel. All internal adjustments are made by potentiometers for precise and accurate settings. The user may choose to have all of the selections saved for power up defaults.

The HDG-820/821 multi-format generator can be used where various HD signals are required. Tri- level-sync has its own separate output and is on all analog component outputs, RGB or YUV.

The HDG-821 is a gen-lock unit with a pair of looping BNC connectors on the rear panel. The gen-lock version provides adjustment of H & V Timing. The HDG-820 is a non gen-lock unit.

1.	100% COLOR BARS	9. CHROMA 10 STEP	17. CHROMA MULTIBURST		25.	75% RED
2.	75% COLOR BARS	10. CHROMA RAMP	18. CHROMA SWEEP 5-15MHz		26.	75% BLUE
3. SMPTE BARS		11. SDI PATHOLOGICAL	19. CHROMA PULSE & BAR		27.	50% GRAY
4.	75% COLOR BARS/5 STEP	12. SDI EQ	20.	100% WHITE	28. BLACK
5. LUMA 5 STEP		13. SDI PLL	21.	75% YELLOW	29. LUMA ZONE PLATES
6. LUMA 10 STEP		14. LUMA MULTIBURST	22.	75% CYAN	30. CHROMA ZONE PLATES
7. LUMA RAMP		15. LUMA SWEEP 1-30MHz	23.	75% GREEN
8. CHROMA 5 STEP		16. LUMA PULSE & BAR	24.	75% MAGENTA

NOTE: All 30 test patterns are available with all 23 video formats.

LINK ELECTRONICS, INC. ‹ 2137 Rust Avenue ‹ Cape Girardeau, MO 63703-7668

Phone 573 334 4433 ‹ FAX 573 334 9255