CN203166884U - Radio transmitter based on crystal oscillator - Google Patents
Radio transmitter based on crystal oscillator Download PDFInfo
- Publication number
- CN203166884U CN203166884U CN 201320121221 CN201320121221U CN203166884U CN 203166884 U CN203166884 U CN 203166884U CN 201320121221 CN201320121221 CN 201320121221 CN 201320121221 U CN201320121221 U CN 201320121221U CN 203166884 U CN203166884 U CN 203166884U
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- CN
- China
- Prior art keywords
- radio control
- pin
- electric capacity
- control transmitting
- transmitting chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a radio transmitter based on a crystal oscillator. The radio transmitter comprises a radio control transmission chip formed by a crystal oscillator, a first inductor, a second inductor, a first capacitor to a fifth capacitor, a first resistor, a second resistor, a first button switch, a second button switch, a piezoelectric ceramic sheet, a power supply and an antenna. The radio transmitter adopts the crystal oscillator as a core element, is a simple circuit structure, adopts relatively few elements, is accordingly low in cost and small in size; the transmitter has strong signals, can help to reduce power consumption and do not have target-elimination directivity when being used indoors, has relatively strong anti-interference capability, and is in favor of promotion.
Description
Technical field
The utility model relates to a kind of radio transmitter, relates in particular to a kind of radio transmitter based on crystal oscillator.
Background technology
Radio signal sender circuit structure complexity of the prior art, adopt integrated chip more, though high-frequency is arranged, power is too high, signal transmission distance short, it is higher to produce heat, and cost is higher, volume is big, and the power consumption height is unfavorable for promoting.
The utility model content
The purpose of this utility model provides a kind of radio transmitter based on crystal oscillator with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the radio control transmitting chip that is made of crystal oscillator, first inductance, second inductance, first electric capacity to the, five electric capacity, first resistance, second resistance, first push-button switch, second push-button switch, piezoelectric ceramic piece, power supply and antenna, the anodal while of described power supply and first end of described first inductance, first end of described the 5th electric capacity, the 8th pin of described radio control transmitting chip is connected with first end of described first resistance, the negative pole while of described power supply and first end of described the 4th electric capacity, first end of described piezoelectric ceramic piece, first end of described second resistance, the 5th pin of described radio control transmitting chip, first end of described first push-button switch, first end of described second push-button switch is connected with first end of described first electric capacity, second end of described the 4th electric capacity is connected with first end of described the 3rd electric capacity and first end of described second inductance simultaneously, second end of described second inductance is connected with described antenna, second end of described the 3rd electric capacity is connected with second end of described first inductance and the 9th pin of described radio control transmitting chip simultaneously, second end of described first resistance is connected with first pin of described radio control transmitting chip, second end of described piezoelectric ceramic piece is connected with the 7th pin of described radio control transmitting chip and first end of described second electric capacity simultaneously, second end of described second electric capacity is connected with second end of described second resistance and the 6th pin of described radio control transmitting chip simultaneously, second end of described first push-button switch is connected with the 4th pin of described radio control transmitting chip, second end of described second push-button switch is connected with the 3rd pin of described radio control transmitting chip, and second end of described first electric capacity is connected with second pin of described radio control transmitting chip.
The beneficial effects of the utility model are:
It is core parts that the utility model adopts crystal oscillator, and circuit structure is simple, adopts element less, therefore, with low cost, volume is little, can reduce power consumption, signal is strong, the directivity of not removing when indoor use, antijamming capability are also stronger, are conducive to promote.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises the radio control transmitting chip IC that is made of crystal oscillator, first inductance L 1, second inductance L 2, first capacitor C, 1 to the 5th capacitor C 5, first resistance R 1, second resistance R 2, the first push-button switch SR, the second push-button switch SL, piezoelectric ceramic piece XT, power supply and antenna TX, the anodal while of power supply and first end of first inductance L 1, first end of the 5th capacitor C 5, the 8th pin of radio control transmitting chip IC is connected with first end of first resistance R 1, the negative pole while of power supply and first end of the 4th capacitor C 4, first end of piezoelectric ceramic piece XT, first end of second resistance R 2, the 5th pin of radio control transmitting chip IC, first end of the first push-button switch SR, first end of the second push-button switch SL is connected with first end of first capacitor C 1, second end of the 4th capacitor C 4 is connected with first end of the 3rd capacitor C 3 and first end of second inductance L 2 simultaneously, second end of second inductance L 2 is connected with antenna TX, second end of the 3rd capacitor C 3 is connected with second end of first inductance L 1 and the 9th pin of radio control transmitting chip IC simultaneously, second end of first resistance R 1 is connected with first pin of radio control transmitting chip IC, second end of piezoelectric ceramic piece XT is connected with the 7th pin of radio control transmitting chip IC and first end of second capacitor C 2 simultaneously, second end of second capacitor C 2 is connected with second end of second resistance R 2 and the 6th pin of radio control transmitting chip IC simultaneously, second end of the first push-button switch SR is connected with the 4th pin of radio control transmitting chip IC, second end of the second push-button switch SL is connected with the 3rd pin of radio control transmitting chip IC, and second end of first capacitor C 1 is connected with second pin of radio control transmitting chip IC.
Claims (1)
1. radio transmitter based on crystal oscillator, it is characterized in that: comprise the radio control transmitting chip that is constituted by crystal oscillator, first inductance, second inductance, first electric capacity to the, five electric capacity, first resistance, second resistance, first push-button switch, second push-button switch, piezoelectric ceramic piece, power supply and antenna, the anodal while of described power supply and first end of described first inductance, first end of described the 5th electric capacity, the 8th pin of described radio control transmitting chip is connected with first end of described first resistance, the negative pole while of described power supply and first end of described the 4th electric capacity, first end of described piezoelectric ceramic piece, first end of described second resistance, the 5th pin of described radio control transmitting chip, first end of described first push-button switch, first end of described second push-button switch is connected with first end of described first electric capacity, second end of described the 4th electric capacity is connected with first end of described the 3rd electric capacity and first end of described second inductance simultaneously, second end of described second inductance is connected with described antenna, second end of described the 3rd electric capacity is connected with second end of described first inductance and the 9th pin of described radio control transmitting chip simultaneously, second end of described first resistance is connected with first pin of described radio control transmitting chip, second end of described piezoelectric ceramic piece is connected with the 7th pin of described radio control transmitting chip and first end of described second electric capacity simultaneously, second end of described second electric capacity is connected with second end of described second resistance and the 6th pin of described radio control transmitting chip simultaneously, second end of described first push-button switch is connected with the 4th pin of described radio control transmitting chip, second end of described second push-button switch is connected with the 3rd pin of described radio control transmitting chip, and second end of described first electric capacity is connected with second pin of described radio control transmitting chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121221 CN203166884U (en) | 2013-03-18 | 2013-03-18 | Radio transmitter based on crystal oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121221 CN203166884U (en) | 2013-03-18 | 2013-03-18 | Radio transmitter based on crystal oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166884U true CN203166884U (en) | 2013-08-28 |
Family
ID=49028037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121221 Expired - Fee Related CN203166884U (en) | 2013-03-18 | 2013-03-18 | Radio transmitter based on crystal oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166884U (en) |
-
2013
- 2013-03-18 CN CN 201320121221 patent/CN203166884U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140318 |