參數(shù)資料
型號(hào)： TA31275FN
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24
封裝： 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-24
文件頁(yè)數(shù)： 23/25頁(yè)
文件大?。?/td> 561K
代理商： TA31275FN
TA31275FN/ TA31275FNG
03-01-23
7
7.
RF Amp Gain 2
RF amp gain 2 (Gv (RF) 2) is a reference value calculated as follows. Measure GRF in the following figure.
Gv (RF) 2 is calculated as follows:
Gv (RF) 2 = GRF Gv (MIX)
Figure 4
8.
IF Amp Gain
The intended value is 75dB.
9.
Waveform-Shaping Output Duty Cycle
The specified range of electrical characteristics is only available for single-tone.
10. Local Frequency Range (after multiplying frequency by 8)
When the multiplier circuit is used, the local frequency will be in the range 250.7 MHz to 439.3 MHz.
11. Treatment of FM Terminal when Using AM
When using AM, it is not necessary to treat the QUAD pin (pin 10). Leave it open or connected to an FM
external circuit. To use the bit rate filter, connect the RSSI pin (pin 21) to the bit rate filter through a
resistor. The AF-OUT pin (pin 22) should be left open.
Figure 5
Figure 6
Using AM causes current to flow through the AM/FM pin (pin 19). Ground the AM/FM pin (pin 19) or
connect it to the BS pin (pin 9).
R9
R8
AF
OUT
RSSI
Bit rate filter for FM
C18
C17
22
21
27
nH
1000 pF
4
6
18
16
13
33
nH
0.01
F
SG
50dB
V
GRF
6
pF
6 pF
1
k
1000 pF
0.01
F
21
22
R9
AF
OUT
RSSI
Bit rate filter for AM
36 k
C18
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TA31275FN(EL) 功能描述:射頻無(wú)線雜項(xiàng) 200MHz-450MHz Receiver 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
TA31275FNG 功能描述:IC RF/IF DETECTOR 450MHZ 24-SSOP RoHS:是 類別:RF/IF 和 RFID >> RF 檢測(cè)器 系列:- 產(chǎn)品變化通告:Product Discontinuation 15/May/2006 標(biāo)準(zhǔn)包裝:3,000 系列:- 頻率:100MHz ~ 2GHz RF 型:手機(jī)，GSM，DCS，PCS 輸入范圍:- 精確度:- 電源電壓:2.7 V ~ 5.5 V 電流 - 電源:300µA 包裝:帶卷 (TR) 封裝/外殼:SC-74，SOT-457 其它名稱:NCS5000SNT1GOS
TA31275FNG(EL) 功能描述:射頻無(wú)線雜項(xiàng) 200MHz-450MHz Receiver 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
TA31275FNG(O,EL) 制造商:Toshiba America Electronic Components 功能描述:IC RECEIVER RFIC 450MHZ 24SSOP
TA-316-PT 制造商:WELCON 功能描述:
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