Signal level indicators and antenna assemblies including the same
Exemplary embodiments are disclosed of signal level indicators and antenna assemblies including the same. In an exemplary embodiment, an antenna assembly includes an antenna configured to be operable for receiving signals, a signal level indicator for indicating a strength of signals received by the antenna, and an amplifier coupled for communication with the antenna, the signal level indicator, and a signal output. The amplifier is configured to be operable for amplifying signals received by the antenna.
1. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a printed circuit board;
a detector mounted on the printed circuit board;
a display mounted on the printed circuit board and configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
an integrated digital television receiver configured to be operable for obtaining detailed signal level and signal quality metrics of the signals received by the antenna; and
a processor coupled for communication with the integrated digital television receiver, the processor configured for communication with an external electronic device having a display that is operable for displaying the detailed signal level and signal quality metrics obtained by the integrated digital television receiver.
2. The signal level indicator of claim 1 , wherein the display comprises one or more light emitting diodes and/or one more liquid crystal displays.
3. An antenna assembly comprising an antenna, a signal level indicator for indicating a strength of signals received by the antenna, and an amplifier coupled for communication with the antenna, the signal level indicator, and a signal output, the amplifier configured to be operable for amplifying signals received by the antenna, wherein:
the signal level indicator comprises:
a printed circuit board;
a detector mounted on the printed circuit board; and
a display mounted on the printed circuit board and configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the amplifier is coupled for communication with the antenna, the signal level indicator, and the signal output such that amplified signals from the amplifier are communicated to the signal level indicator and the signal output without high pass filtration and without low pass filtration; and/or
the antenna is shaped and sized such that that the antenna is tuned for digital television bands whereby signals outside the digital television bands are naturally attenuated by the antenna without requiring high pass and low pass filter stages.
4. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator; and
a low pass filter coupled for communication with the mixer and the detector;
wherein the mixer is operable for mixing an output of the variable frequency local oscillator with signals received by the antenna to thereby produce sum and difference frequencies, whereby a difference frequency for a selected channel lands at baseband, and the low pass filter is operable for removing remaining channels and sum frequencies; and
wherein the signal level indicator is configured to be operable for using a heterodyne to select a single available channel from among a plurality of available channels.
5. The signal level indicator of claim 4 , wherein the display comprises one or more light emitting diodes and/or one more liquid crystal displays.
6. The signal level indicator of claim 4 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
7. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator; and
a low pass filter coupled for communication with the mixer and the detector;
wherein:
the detector comprises a diode; and
the signal level indicator is configured such that an output of the low pass filter is passed to the diode and amplified and/or scaled for the display.
8. The signal level indicator of claim 7 , wherein:
the signal level indicator further comprises a printed circuit board, and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
9. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator; and
a low pass filter coupled for communication with the mixer and the detector;
wherein:
the detector comprises a rectifier circuit; and
the signal level indicator is configured such that an output of the low pass filter is passed to the rectifier circuit and amplified and/or scaled for the display.
10. The signal level indicator of claim 9 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
11. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator;
a low pass filter coupled for communication with the mixer and the detector;
a channel adjust coupled for communication with the variable frequency local oscillator; and
a digital channel number display configured to be operable for digitally displaying a numeric channel number selected via the channel adjust.
12. The signal level indicator of claim 11 , wherein the channel adjust comprises capacitive type up/down push buttons or a rotary optical encoder.
13. The signal level indicator of claim 11 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
14. The signal level indicator of claim 13 , wherein the channel adjust comprises capacitive type up/down push buttons or a rotary optical encoder.
15. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator;
a low pass filter coupled for communication with the mixer and the detector;
an infrared/radio frequency receiver coupled for communication with the variable frequency local oscillator, the infrared/radio frequency receiver configured for communication with an infrared/radio frequency remote control; and
a digital channel number display configured to be operable for digitally displaying a numeric channel number selected via the infrared/radio frequency remote control.
16. The signal level indicator of claim 15 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
17. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator;
a low pass filter coupled for communication with the mixer and the detector; and
a looping stepped channel control coupled for communication with the variable frequency local oscillator, wherein the signal level indicator is configured to be operable for generating a control signal that steps a channel adjust signal digitally through allowable channels in a repetitive loop with a dwell time on each channel sufficient to allow the detector to obtain a reading of the signal level, whereby the signal level reading is deliverable to the display along with output of the detector for displaying a spectrum bar graph of signal level for all available channels, and whereby the spectrum bar graph is usable for finding an antenna position and orientation that optimizes reception of more than a single available channel.
18. The signal level indicator of claim 17 , wherein:
the signal level indicator integrally includes the display configured to be operable for displaying the spectrum bar graph of signal level for all available channels; or
the signal level indicator includes a processor coupled for communication with the detector and the looping stepped channel control, the processor configured for communication with an external electronic device having a display that is operable for displaying the spectrum bar graph of signal level for all available channels.
19. The signal level indicator of claim 17 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board;
the low pass filter is mounted on the printed circuit board; and
the signal level indicator further comprises a processor coupled for communication with the detector and the looping stepped channel control, the processor configured for communication with an external electronic device having a display.
20. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator;
a low pass filter coupled for communication with the mixer and the detector; and
a channel adjust coupled for communication with the variable frequency local oscillator,
wherein:
the variable frequency local oscillator comprises a voltage-controlled oscillator; and
the channel adjust comprises a rotary knob configured to be operable for adjusting the voltage-controlled oscillator.
21. The signal level indicator of claim 20 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
22. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator;
a low pass filter coupled for communication with the mixer and the detector; and
a channel adjust coupled for communication with the variable frequency local oscillator,
wherein:
the variable frequency local oscillator comprises a programmable frequency synthesizer; and
the channel adjust comprises a rotary encoder configured to be operable for communicating digital channel information to the programmable frequency synthesizer.
23. The signal level indicator of claim 22 , wherein:
the signal level indicator further comprises a printed circuit board and a display mounted on the printed circuit board, the display configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
the detector is mounted on the printed circuit board;
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
24. A signal level indicator for indicating a strength of signals received by an antenna, the signal level indicator comprising:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator;
a low pass filter coupled for communication with the mixer and the detector;
an integrated digital television receiver configured to be operable for obtaining detailed signal level and signal quality metrics of the signals received by the antenna; and
a processor coupled for communication with the integrated digital television receiver, the processor configured for communication with an external electronic device having a display that is operable for displaying the detailed signal level and signal quality metrics obtained by the integrated digital television receiver.
25. The signal level indicator of claim 24 , further comprising:
a printed circuit board; and
a display mounted on the printed circuit board and configured to be operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
wherein the detector is mounted on the printed circuit board.
26. The signal level indicator of claim 25 ,
the variable frequency local oscillator is mounted on the printed circuit board;
the mixer is mounted on the printed circuit board; and
the low pass filter is mounted on the printed circuit board.
27. The signal level indicator of claim 26 , wherein the mixer is operable for mixing an output of the variable frequency local oscillator with signals received by the antenna to thereby produce sum and difference frequencies, whereby a difference frequency for a selected channel lands at baseband, and the low pass filter is operable for removing remaining channels and sum frequencies.
28. The signal level indicator of claim 24 , wherein the mixer is operable for mixing an output of the variable frequency local oscillator with signals received by the antenna to thereby produce sum and difference frequencies, whereby a difference frequency for a selected channel lands at baseband, and the low pass filter is operable for removing remaining channels and sum frequencies.
29. The signal level indicator of claim 28 , wherein the signal level indicator is configured to be operable for using a heterodyne to select a single available channel from among a plurality of available channels.
30. An antenna assembly comprising an antenna, a signal level indicator for indicating a strength of signals received by the antenna, and an amplifier coupled for communication with the antenna, the signal level indicator, and a signal output, the amplifier configured to be operable for amplifying signals received by the antenna, wherein:
the signal level indicator comprises:
a detector configured for communication with a display that is operable for displaying a corresponding signal strength indication according to the strength of the signals received by the antenna;
a variable frequency local oscillator;
a mixer coupled for communication with the variable frequency local oscillator; and
a low pass filter coupled for communication with the mixer and the detector;
the amplifier is coupled for communication with the antenna, the signal level indicator, and the signal output such that amplified signals from the amplifier are communicated to the signal level indicator and the signal output without high pass filtration and without low pass filtration; and/or
the antenna is shaped and sized such that that the antenna is tuned for digital television bands whereby signals outside the digital television bands are naturally attenuated by the antenna without requiring high pass and low pass filter stages.