MY119808A - Two-way radio with improved squelch - Google Patents
Two-way radio with improved squelchInfo
- Publication number
- MY119808A MY119808A MYPI9804635A MY119808A MY 119808 A MY119808 A MY 119808A MY PI9804635 A MYPI9804635 A MY PI9804635A MY 119808 A MY119808 A MY 119808A
- Authority
- MY
- Malaysia
- Prior art keywords
- radio
- bandwidth
- processing circuitry
- way radio
- radio frequency
- Prior art date
Links
Abstract
A TWO-WAY RADIO (1) THAT HAS A RADIO FREQUENCY RECEIVER (2) HAVING A MODULATED RADIO FREQUENCY SIGNAL OUTPUT AND A VARIABLE BANDWIDTH FILTER (3) WITH AN INPUT COUPLED TO THE MODULATED RADIO FREQUENCY SIGNAL OUTPUT. THE RADIO (1) ALSO HAS DEMODULATOR CIRCUITRY (4), A SPEAKER (6) AND PROCESSING CIRCUITRY (5). IN USE WHEN THE RADIO (1) IS OPERATING IN SQUELCH MODE, THE PROCESSING CIRCUITRY (5) CONTROLS THE VARIABLE BANDWIDTH FILTER (3) TO HAVE A FIRST BANDWIDTH AND WHEN IN UNSQUELCH MODE THE PROCESSING CIRCUITRY (5) CONTROLS THE VARIABLE BANDWIDTH FILTER (3) TO HAVE A SECOND BANDWIDTH WHICH HAS A SMALLER FREQUENCY RANGE AND THE FIRST BANDWIDTH.FIG. 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9804635 MY119808A (en) | 1998-10-09 | 1998-10-09 | Two-way radio with improved squelch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9804635 MY119808A (en) | 1998-10-09 | 1998-10-09 | Two-way radio with improved squelch |
Publications (1)
Publication Number | Publication Date |
---|---|
MY119808A true MY119808A (en) | 2005-07-29 |
Family
ID=47227320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9804635 MY119808A (en) | 1998-10-09 | 1998-10-09 | Two-way radio with improved squelch |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY119808A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5146187A (en) * | 1991-07-01 | 1992-09-08 | Ericsson Ge Mobile Communications Inc. | Synthesizer loop filter for scanning receivers |
US5303409A (en) * | 1992-06-04 | 1994-04-12 | Motorola, Inc. | Automatically compensated squelch circuit |
US5303408A (en) * | 1992-04-03 | 1994-04-12 | Motorola, Inc. | Squelch detector |
US5412346A (en) * | 1993-12-13 | 1995-05-02 | At&T Corp. | Variable gain voltage signal amplifier |
US5564090A (en) * | 1993-09-09 | 1996-10-08 | Lockheed Martin Ims Corporation | Method and apparatus for dynamically adjusting receiver squelch threshold |
US5598430A (en) * | 1994-11-15 | 1997-01-28 | Uniden Corporation | Analog/digital receiver |
-
1998
- 1998-10-09 MY MYPI9804635 patent/MY119808A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5146187A (en) * | 1991-07-01 | 1992-09-08 | Ericsson Ge Mobile Communications Inc. | Synthesizer loop filter for scanning receivers |
US5303408A (en) * | 1992-04-03 | 1994-04-12 | Motorola, Inc. | Squelch detector |
US5303409A (en) * | 1992-06-04 | 1994-04-12 | Motorola, Inc. | Automatically compensated squelch circuit |
US5564090A (en) * | 1993-09-09 | 1996-10-08 | Lockheed Martin Ims Corporation | Method and apparatus for dynamically adjusting receiver squelch threshold |
US5412346A (en) * | 1993-12-13 | 1995-05-02 | At&T Corp. | Variable gain voltage signal amplifier |
US5598430A (en) * | 1994-11-15 | 1997-01-28 | Uniden Corporation | Analog/digital receiver |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1999001933A3 (en) | Multiple mode direct conversion receiver | |
TW331681B (en) | Wide-band low-noise low-crossover distortion receiver | |
EP0736978A3 (en) | Radio communication transceiver | |
HK1043262A1 (en) | Multi-band transceiver utilizing direct conversion receiver | |
CA2098372A1 (en) | Receiver adaptively operable for multiple signal transmission systems | |
MY116300A (en) | Monolithic high frequency antenna switch | |
DE60113694D1 (en) | MULTIPROTOCOL RECEIVER | |
ATE180606T1 (en) | FM RECEIVER | |
AU3128399A (en) | Distortion correction circuit for direct conversion receiver | |
CA2050680A1 (en) | Push-pull optical receiver | |
SE9701081D0 (en) | Receiver integrated circuit for mobile phones | |
EP1339166A3 (en) | Direct conversion receivers and methods therefor | |
EP1184974A3 (en) | Antenna unit and receiving circuit | |
MX9704826A (en) | Digital fm receiver back end. | |
KR950022041A (en) | Pulse noise canceller in FM tuner | |
US20020072339A1 (en) | Transmitter and wireless communication device | |
MXPA02012307A (en) | Self-adaptive frequency band-pass filtering device in microwave signal transceiver. | |
DE59902374D1 (en) | FREQUENCY-STABILIZED TRANSMITTER / RECEIVER ARRANGEMENT | |
MY119808A (en) | Two-way radio with improved squelch | |
CA2325286A1 (en) | Feedforward amplifier | |
EP0939486A3 (en) | Filter circuit | |
WO2002023754A3 (en) | Fast synchronizing high-fidelity spread-spectrum receiver | |
EP0917286A3 (en) | Method and apparatus for providing a squelch function on narrow band radio receivers | |
EP1026821A3 (en) | Radio frequency modulator having isolation switches and signal path bypassing amplifier and modulator | |
US6397049B1 (en) | Two-way radio with improved squelch |