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What is RF83C?

This electronic component, produced by the manufacturer "HOPERF", performs the same function as "300 - 440MHz ASK/OOK Receiver".


RF83C Datasheet PDF - HOPERF

Part Number RF83C
Description 300 - 440MHz ASK/OOK Receiver
Manufacturers HOPERF 
Logo HOPERF Logo 


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RF83/RF83C ASK/OOK Receiver V1.1
RF83/RF83C 300~440MHz ASK/OOK Receiver
General Description
The RF83/RF83C is a single chip ASK/OOK (ON-OFF
Keyed) RF receiver IC. This device is a true antenna-in to
data-out‖ monolithic device. All RF and IF tuning are
accomplished automatically within the IC which
eliminates manual tuning and reduces production costs.
The result is a highly reliable yet low cost solution.
The RF83 is a fully featured part in 16-pin packaging
and the RF83C is a reduced function set part packaged in
8-pin packaging . The RF83/RF83C operating voltage
range is 3.6V-5.5V, Their low voltage counterparts are
RF83L/RFM83CL at 2.1V-3.6V.
The RF83 provides two additional functions, (1) a
Shutdown pin, which may be used to turn the device off
for duty-cycled operation, and (2) a Wake-up‖ output,
which provides an output flag indicating when an RF
signal is present. These features make the RF83 ideal for
low and ultra-low power applications, such as RKE and
remote controls.
All IF filtering and post-detection (demodulator) data
filtering is provided within the RF83/RF83C, so no
external filters are necessary.
The RF83 offer two modes of operation; fixed-mode (FIX) and sweep-mode (SWP). In fixed mode the RF83
functions as a conventional super-heterodyne receiver. In sweep mode the RF83 sweeps a wider RF spectrum.
Fixed-mode provides better selectivity and sensitivity performance and sweep mode enables the RF83 to be
used with low cost, imprecise transmitters.
Features
Applications
300MHz to 440MHz frequency range
Operating voltage: 3.6V-5.5V( RF83/RF83C)
2.1V-3.6V(RF83L/RF83CL)
High receiver sensitivity: -108dBm (315MHz)
Automotive Remote Keyless Entry(RKE)
Remote controls
Remote fan and light control
Garage Door and gate openers
-108dBm (433MHz)
Data-rate up to 10kbps (fixed-mode)
Low Power Consumption
3mA fully operational (315MHz,RF83)
0.9µA in shutdown
Wake-up output flag to enable decoders and microprocessors
Highly integrated with extremely low external part count
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
-1-
Free Datasheet http://www.datasheet4u.com/

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RF83C equivalent
RF83/RF83C ASK/OOK Receiver V1.1
4. 8-Pin Options
The standard 16-pin package allows complete control of all configurable features. Some reduced
function 8-pin versions are also available.
For high-volume applications additional customized 8-pin devices can be produced. SWEN, SEL0
and SEL1 pins are internally bonded to reduce the pin count. Pin 6 may be configured as either
SHUT or WAKEB.
SEL0
1
0
1
0
SEL1
1
1
0
0
Demodulator Bandwidth
Sweep Mode Fixed Mode
5KHz
10KHz
2.5KHz
5KHz
1.25KHz
2.5KHz
0.625KHz
1.25KHz
Table 1. Nominal Demodulator Filter Bandwidth vs. SEL0, SEL1 and Operating Mode
5. Pin Description
RF83
16-Pin Pkg.
1
2, 3
4
5
6
7
8
9
RF83C
8-Pin Pkg.
1
2
3
4
Pin
Name
SEL0
VSSRF
ANT
VDDRF
VDDBB
CTH
NC
VSSBB
Pin Function
Bandwidth Selection Bit 0 (Digital Input): Used in
conjunction with SEL1 to set the desired demodulator filter
bandwidth. See Table 1. Internally pulled-up to VDDRF
RF Power Supply: Ground return to the RF section power
supply.
Antenna (Analog Input): For optimal performance the
ANT pin should be impedance matched to the antenna. See
Applications Informationfor information on input
impedance and matching techniques
RF Power Supply: Positive supply input for the RF section
of the IC
Base-Band Power Supply: Positive supply input for the
baseband section (digital section) of the IC
Data Slicing Threshold Capacitor (Analog I/O): Capacitor
connected to this pin extracts the dc average value from the
demodulated waveform which becomes the reference for
the internal data slicing comparator
Not internally connected
Base-Band Power Supply: Ground return to the baseband
section power supply
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.com
-5-
Free Datasheet http://www.datasheet4u.com/


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Featured Datasheets

Part NumberDescriptionMFRS
RF83The function is 300 ~ 440MHz ASK Receiver. HOPE MICROELECTRONICSHOPE MICROELECTRONICS
RF83The function is 300 - 440MHz ASK/OOK Receiver. HOPERFHOPERF
RF83CThe function is 300 - 440MHz ASK/OOK Receiver. HOPERFHOPERF

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