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PDF M64886FP Data sheet ( Hoja de datos )
| Número de pieza | M64886FP | |
| Descripción | RF Transceiver | |
| Fabricantes | Renesas | |
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M64886FP
RF Transceiver for Short-range Wireless
REJ03F0087-0100Z
Rev.1.0
Sep.22.2003
Description
The M64886FP is a semiconductor integrated circuit designed for RF / IF / AF transceiver function with Dual PLL
synthesizer for double conversion system cordless phone which used by 2.4 GHz and 900MHz ISM band of North
America. It contains dual PLL and VCO circuit for RX / TX, PA for transmission output, double balance type mixer for
www.DataSheet4Ut.hceom1st and 2nd intermediate frequency, LIM and RSSI and Demodulator for 5.5 MHz, Expander (include volume
control function) / Compressor (include IDC, Splutter Filter block) and Speaker / Microphone Amp for Audio signal. It
is possible to control level of TX power by external variable resistor. It is designed using a high-frequency BiCMOS
process and contributes to reduce size of system and power consumption.
Features
• Receiver
It is possible to construct double conversion system.
Built in 1st MIX for 1st IF which can respond up to 2.4 GHz band.
Built in 2nd MIX and LIMITTER and RSSI and Demodulator for 2nd IF.
Built in Expander and Speaker Amp for Audio signal.
• Transmission
Built in PA (Pout = –1dBm max) which can respond up to 2.4 GHz band.
It is possible to control level of power by external variable resistor.
Out put is differential type, it is need to connect to RF filter with a balun circuit.
Built in Microphone Amp and Compressor and IDC and Splutter Filter for Audio signal.
• Synthesizer
Built in Differential type VCO for TX and RX which can respond up to 1.2 GHz band.
Built in 2-multiple circuit which can respond up to 2.4 GHz band.
Built in 2-modulus prescaler which can respond up to 1.2 GHz band.
Built in current output type charge pump.
Built in B-E Colpitts type crystal oscillation for reference frequency.
• Current consumption
Stand by mode = PLL+VCO+ DBL+LO+MIX+IF = 28 mA Typ.
TX / RX mode (ID) = Stand by + PLL+VCO+DBL+PA = 55 mA Typ.
TX / RX mode (Talk) = TX / RX mode (ID) +AF+SP = 65 mA Typ.
Off mode = < 50 µA
Rev.1.0, Sep.22.2003, page 1 of 27
1 page  
M64886FP
Pin Description
Pin No.
1
2
3
Symbol
ISOGND1
MIXGND
MIXIN
4 MIXBIAS
5
6
7
8
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10
11
12
13
SWOUT
RVGND2
RXLA2
RXLA1
RVGND1
RXLB1
RXLB2
RVVCC
RXVT
14 RXPD
15 TXDVCC
16 TXDGND
17 PAGND1
18 ISOGND2
19 POUTA
20 POUTB
21 FEEDA
22 PAGND2
23 FEEDB
24 PCONT
Pin Name
Isolation ground
1st Mixer ground
Receive RF input
1st Mixer bias
SW output
RX VCO ground 2
RX VCO LA2
RX VCO LA1
RX VCO ground 1
RX VCO LB1
RX VCO LB2
Power supply (RX VCO)
RX VCO tuning voltage
input
RX charge pump output
Power supply
(TX Doublers)
TX Doublers ground
Power amp ground 1
Isolation ground
Transmit RF output A
Transmit RF output B
Power amp feed A
Power amp ground 2
Power amp feed B
Power amp control
Functions
DC ground for isolation.
DC ground for 1st mixer.
RF input pin (Base pin of internal Transistor).
It is need to connect to matching circuit by external parts.
1st Mixer bias voltage.
Decoupled to ground with capacitor.
DC power supply to the external RF circuit.
DC ground for RX VCO.
RX VCO amplifier output A2. Connect to inductor.
RX VCO amplifier output A1.
DC ground for RX VCO.
RX VCO amplifier output B1.Connect to LA1.
RX VCO amplifier output B2.Connect to inductor.
DC power supply to the RX VCO.
RX VCO tuning voltage input from PLL loop filter.
Charge pump output for RX PLL.
When Rx is off, Charge pump output is HiZ.
DC power supply to the TX doublers.
DC ground for TX doublers.
DC ground for power amp.
DC ground for isolation.
RF output pin which is an open collector.
Pull up to VCC with inductor.
RF output pin which is an open collector.
Pull up to VCC with inductor.
Feed connect for 1st power amp, and outputs open collector.
Pull up to VCC with inductor.
DC ground for power amp.
Feed connect for 1st power amp, and outputs open collector.
Pull up to VCC with inductor.
It is possible to control level of PA.
Connect to ground with variable resistor.
Rev.1.0, Sep.22.2003, page 5 of 27
5 Page 
M64886FP
3. PD Output
Comparison
Frequency
Local Oscillator
division output
Source
PD output
Sink
123
14 15
Notes: 14. The PD output is placed in the “Sink” status when the phase of local oscillator division output is behind the
phase comparison frequency. It is placed in the “Source” status when the phase of local oscillator division
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output advances .
15. “-------” means high impedance status .
Rev.1.0, Sep.22.2003, page 11 of 27
11 Page | ||
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| PDF Descargar | [ Datasheet M64886FP.PDF ] | |
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