Erik A Berg

US Patent:

7277860, Oct 2, 2007

Filed:

Feb 23, 2004

Appl. No.:

10/784690

Inventors:

Hosahalli Srinivas - Irvine CA, US
Gopal Venkatesan - Aliso Viejo CA, US
Erik Berg - Laguna Beach CA, US
Amy Hundhausen - Laguna Beach CA, US

Assignee:

Broadcom Corporation - Irvine CA

International Classification:

G10L 21/00

US Classification:

704500, 704501

Abstract:

An integrated digital BTSC encoder substantially implemented on a single CMOS integrated circuit is described. By saturating and adding offsets to the value of the feedback control signal in regions of operation where the calculation for the control signal is dominated by noise, an integrated circuit selectively adjusts the control signal for the spectral or wideband feedback loop, as required, so that the performance of a very low noise digital BTSC encoder complies with the requirements of the BTSC standard.

US Patent:

7847864, Dec 7, 2010

Filed:

Feb 21, 2003

Appl. No.:

10/372427

Inventors:

Steven Jaffe - Irvine CA, US
Tracy C. Denk - Aliso Viejo CA, US
Erik Berg - Laguna Beach CA, US
Amy Hundhausen - Laguna Beach CA, US

Assignee:

Broadcom Corporation - Irvine CA

International Classification:

H04N 5/40

US Classification:

348724

Abstract:

All digital RF modulator. An RF modulator, implemented using only digital techniques, obviates the need for an additional board, implemented using discrete analog components, to perform the necessary modulation to provide the RF output signal for use with a display device (television). Modern displays typically include functionality to support a number of input types beyond an RF input. However, older, legacy displays typically only support inputs that are RF in nature. A fully integrated solution that performs the RF modulation of the output signal that may be used in such legacy types systems is provided using digital techniques.