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參數(shù)資料
| 型號： | RF2917 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 433/868/915MHZ FM/FSK RECEIVER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| 封裝： | 5 X 5 MM, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 408K |
| 代理商： | RF2917 |
11-134
RF2917
Rev B2 010118
11
T
Pin
29
Function
LOOP FLT
Description
Output of the charge pump, and input to the VCO control. An RC net-
work from this pin to ground is used to establish the PLL bandwidth.
Interface Schematic
30
OSC B
This pin is connected directly to the reference oscillator transistor base.
The intended reference oscillator configuration is a modified Colpitts. A
100pF capacitor should be connected between pin 30 and pin 31.
31
OSC E
This pin is connected directly to the emitter of the reference oscillator
transistor. A 100pF capacitor should be connected from this pin to
ground.
This pin is used to power up or down the RF2917. A logic high (PWR
DWN >2.0V) powers up the receiver and PLL. A logic low (PWR DWN
<1.0V) powers down circuit to standby mode.
This diode structure is used to provide electrostatic discharge protec-
tion to 3kV using the Human body model. The following pins are pro-
tected: 1, 3, 5, 7-19, 21-24, 27-31.
See pin 30.
32
PD
ESD
LOOP FLT
V
CC
OSC E
OSC B
V
CC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RF2919 | 433/868/915MHZ ASK/OOK RECEIVER |
| RF2926 | UHF DUAL CONVERSION TRANSCEIVER |
| RF2938 | 2.4GHZ SPREAD-SPECTRUM TRANSCEIVER |
| RF2942 | UHF QUADRATURE MODULATOR AND TRANSMITTER |
| RF2945 | 433/868/915MHZ FSK/ASK/OOK TRANSCEIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RF2919 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:433/868/915MHZ ASK/OOK RECEIVER |
| RF2926 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:UHF DUAL CONVERSION TRANSCEIVER |
| RF2926-000 | 制造商:TE Connectivity 功能描述:FEMTOSMDC005F-2 - Tape and Reel |
| RF2926PCBA | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:UHF DUAL CONVERSION TRANSCEIVER |
| RF2938 | 制造商:RF Micro Devices Inc 功能描述:Telecommunication IC |
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