Price
Supplier Info.
Report Item
Your report on Product(s), Selling Lead(s) will be sent to EC21 Administrators once submitted.
Then, Administrators will investigate and then take appropriate actions.
Contact Supplier
The RDA1845/1845D is a single-chip transceiver for Walkie Talkie with fully integrated synthesizer, IF selectivity and base-band signal processing. The transceiver uses the CMOS process, support digital volume control and require the least external component. The package size is 6X6mm and is completely adjustment-free.
The RDA1845/1845D has a powerful low-IF digital audio processor, this make it have optimum sound quality with varying reception conditions.
The RDA1845/1845D can be tuned to the worldwide frequency band for Walkie Talkie.
Features
1. CMOS single-chip fully-integrated transceiver
2. Support worldwide frequency band:
♦ 300Mhz-500 MHz
♦ 12.5Khz,25Khz channels
3. Digital low-IF tuner:
♦ Image-reject down-converter
♦ High performance A/D converter
♦ IF selectivity performed internally
4. Fully integrated digital frequency synthesizer:
♦ fully integrated on-chip RF and IF VCO
♦ fully integrated on-chip loop filter
5. Auto DC offset calibration
6. Digital auto frequency control (AFC)
7. Digital auto gain control (AGC)
8. Support multi-reference clocks:
♦ 12.8/25.6Mhz
♦ 13/26Mhz
9. Selectable pre/de-emphasis
10.Support CTCSS and CDCSS
11.Receive signal strength indicator (RSSI)
12.Provide programmable VOX and Squelch indicator
13.Analog and digital volume control
14.Reference clock drift compensation
15.3-wire serial control bus interface
16.Directly support 32Ω resistance loading
17.Integrated LDO regulator:
♦ 2.7 to 3.3 V operation voltage
18.6X6mm 40 pin QFN package
Applications
1.Cellular handsets
2.Family radio services
3.Walkie Talkies
Registration Date | 2015/05/06(Year/Month/Date) |
---|---|
Buyer / Seller in EC21 | Seller |
Business Type | Manufacturer |
Year established | 2005 |
Employees total | 101 - 500 |
Annual revenue | USD 10,000,001 - 50,000,000 |
Company | Auctus Technologies |
---|---|
Address | Zhongke Building, NanshanShenzhenGuangdong518110China |
Phone | 0086 - 0755 - 13632829695 |
Fax | 0086 - 0755 - 26405328 |
Contact | Angelia Lee |