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PDF RTC6705 Data sheet ( Hoja de datos )
| Número de pieza | RTC6705 | |
| Descripción | CMOS 5.8GHz Band FM Transmitter | |
| Fabricantes | RichWave | |
| Logotipo |  |
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RTC6705-DST-001
Data Sheet
RTC6705
SEP 2007
RTC6705 CMOS 5.8GHz Band FM Transmitter
Product Description
The RTC6705 is a wide-band FM transmitter intended for the application on 5.8GHz bands FM
transmission. This chip includes a 5.8GHz band RF modulator, two channels of audio modulator
and internal power amplifier with +13dBm power output referred to external matching network.
The 5.8GHz band RF modulator block, which is frequency-synthesizer based with an integrated
VCO, generates the 5.8GHz band FM signal modulated with video signal and two modulated
audio subcarriers at 6MHz and 6.5MHz respectively. Both Stereo and Mono application are
available on the chip.
Transmission frequency can be set by internal register via SPI programming, or by selecting six
dedicated pins. Two stages output power of +2dBm or +13dBm can be configured via pins 34
and 35. Both CE and FCC regulations are easy to pass by using RTC6705 with application
circuit and single room shielding case.
Features
3.3V power supply
Built-in PA with +13dBm output power
5.8GHz band FM modulator and transmitter
Simple digital pins setting 24 fixed channels to eliminate external micro-controller
Two audio subcarrier modulators at 6MHz/6.5MHz
Single chip CMOS technology with integrated VCO and PLL
Transmitter frequency programmability by SPI
40-pin leadless QFN package pass RoHS
Application
AV Sender
Baby Monitor
Wireless Camera
Wireless Audio
Wireless Earphone
www.richwave.com.tw
Specifications subject to change without notice
V0.2
1
Confidential Proprietary
Free Datasheet http://www.Datasheet4U.com
1 page  
RTC6705-DST-001
Data Sheet
RTC6705
SEP 2007
3rdH_H* The 3rd Harmonic referenced With reference filter
with the fundamental signal at design
high power mode
2ndH_L* The 2nd Harmonic referenced With reference filter
with the fundamental signal at design
low power mode
3rdH_L* The 3rd Harmonic referenced With reference filter
with the fundamental signal at design
low power mode
* All with proper match at the PA output, before further ceramic filtering.
-60
-60
-60
Video
Zin_video
Vin_video
Audio
VTAA
fau
THD
F_corner
SNR_A
Video input impedance
Video peak to peak input voltage
(as reference design)
Video carrier to audio carrier
ratio (as reference design)
Audio carrier frequency
Total harmonic distortion
3dB corner frequency of
pre-emphasis (as reference
design)
Audio SNR (as reference design,)
With pre-emphasis/ de-emphasis,
No video and audio
signal in
Left sound
Right sound
@1KHz tone input
with ±25KHz
frequency deviation
@1KHz tone input
with 2Vpp audio
-30
75
1
-25
6
6.5
1
12
56
dBc
dBc
dBc
Ω
Vpp
dBc
MHz
%
kHz
dB
www.richwave.com.tw
Specifications subject to change without notice
V0.2
5
Confidential Proprietary
Free Datasheet http://www.Datasheet4U.com
5 Page 
RTC6705-DST-001
PACKAGE
QFN 6X6 40 pins
Data Sheet
RTC6705
SEP 2007
www.richwave.com.tw
Specifications subject to change without notice
V0.2
11
Confidential Proprietary
Free Datasheet http://www.Datasheet4U.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet RTC6705.PDF ] | |
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