GB4551, GB4570, GB45706062 Selling Leads, Datasheet
MFG:GENNUM Package Cooled:SIP/8P D/C:08+/09+
GB4551, GB4570, GB45706062 Datasheet download
Part Number: GB4551
MFG: GENNUM
Package Cooled: SIP/8P
D/C: 08+/09+
GB4551, GB4570, GB45706062
- Table of contents:
Info of GB4551
Info of GB4570
Info of GB45706062
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About GB40931
PDF/DataSheet Download
Datasheet: GB40931
File Size: 436395 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About GB4570
PDF/DataSheet Download
Datasheet: GB4570
File Size: 152944 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About GB40931
PDF/DataSheet Download
Datasheet: GB40931
File Size: 436395 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
GB4551 General Description
The GB4551 is a high performance video buffer with DC restore primarily used for accurate back porch clamping. The circuit features a wideband differential amplifier that can be configured as a gain stage. The output signal voltage is limited to +2V above the clamp level in order to prevent damage to crosspoints or other circuits connected to the output.
The clamping action occurs when the STROBE (STB) input is taken to ground. A typical application would be for DC restoration during the back porch period. In this case the negative-going back porch pulse would be derived from an external sync separator circuit.
The GB4551 will operate from ± 9V to ±12V power supplies and will directly interface with Gennum's video crosspoint switches. The 8 pin SIP package is ideally suited for space restricted board layouts.
GB4570 General Description
The GB4570 is a high performance video buffer/clamp used primarily for sync tip clamping of video signals. Key features include operation from ± 4.5 to ±13.2V supply voltages, ±0.1dB flatness to 80MHz and availability of industry standard DIP and SOIC packages.
In a typical video application, the GB4570 clamps the sync tip to a known voltage. The clamping level can be set for normal sync tip clamping by connecting pin 3 to - 0.286 volts. For applications requiring non-standard sync tip clamping, the clamping voltage applied to pin 3 may be varied.
The GB4570 features a tight delay spread of only ± 0.15° at color burst frequencies and less than ± 1 millivolts clamping distortion.
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