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參數(shù)資料
| 型號： | TA32305FN |
| 廠商： | Toshiba Corporation |
| 英文描述： | RF 1chip Receiver and Transmitter for low power wireless |
| 中文描述： | 射頻1chip接收器和發(fā)射低功率無線 |
| 文件頁數(shù)： | 6/26頁 |
| 文件大?。?/td> | 605K |
| 代理商： | TA32305FN |
TA32305FN/FNG
2003-12-04
6
Functions
1. Waveform Shaper Circuit (comparator)
The output data (pin 30) are inverted.
2. RSSI Function
DC potential corresponding to the input level of IF IN (pin 8) is output to RSSI (pin 23). Output to
RSSI (pin 23) is converted to a voltage by the internal resistance. Thus, connecting external resistance R
to pin 21 varies the gradient of the RSSI output as shown below. Note that due to the displacement of
temperature coefficients between external resistor R and the internal IC resistor IC resistor, the
temperature characteristic of the RSSI output may change. Also, the maximum RSSI value should be
V
CC
0.8 V or less.
Figure 1
Figure 2
3. S Curve Characteristics
Changing external capacitance C27 varies the gradient of the S curve characteristics as shown below.
In case of widening the detection range, heightening IF frequency or lowering demodulation output,
make the gradient of the S curve characteristics gentle less than typical (120pF).
When using this IC by about 2.2V (low supply), set the constant of C27 100pF or add attenuator to AF
OUT (24 pin).
Figure 3
4. V
CC
Pin and GND Pin
Use the same voltage supply for V
CC1
(2 pin) and V
CC2
(7 pin) and V
CC3
(12 pin) (or connect them).
Also, use the same voltage supply source for GND1 (21 pin) and GND2 (9 pin) (or connect them).
5. Local Oscillator Circuit
The local oscillator circuit is external-input-only. The device incorporates no transistor for oscillation.
Input to pin 1 at a level from 92 to 105dB
μ
V.
Adjust the values of constants C shown in the application circuit diagram so that the input level will
become approximately 100dB
μ
V.
6. U/L switch pin
It is possible to switch Mixer output frequency to upper local or lower local comparing RF input
frequency.
IF input level
After R is
connected
2
23
R
IF frequency
After C is
lessened
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| TA32305FN(EL) | 功能描述:射頻收發(fā)器 200MHz-450MHz Transceiver RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| TA32305FNG | 功能描述:IC RF TRANSCEIVER 450MHZ 30-SSOP RoHS:是 類別:RF/IF 和 RFID >> RF 收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:30 系列:- 頻率:4.9GHz ~ 5.9GHz 數(shù)據(jù)傳輸率 - 最大:54Mbps 調(diào)制或協(xié)議:* 應(yīng)用:* 功率 - 輸出:-3dBm 靈敏度:- 電源電壓:2.7 V ~ 3.6 V 電流 - 接收:* 電流 - 傳輸:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲容量:- 天線連接器:PCB，表面貼裝 工作溫度:-25°C ~ 85°C 封裝/外殼:68-TQFN 裸露焊盤 包裝:管件 |
| TA32305FNG(EL) | 功能描述:射頻無線雜項 200MHz-450MHz Transceiver RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| TA327401 | 制造商:WACHENDORFF 功能描述:RATE METER 4 DIGITS 24-230VA 制造商:WACHENDORFF 功能描述:RATE METER, 4 DIGITS, 24-230VAC/DC |
| TA32910Q | 制造商:DYNEX 制造商全稱:Dynex Semiconductor 功能描述:Asymmetric Thyristor |
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