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MSM6882-3

OKI electronic componets
Part Number MSM6882-3
Manufacturer OKI electronic componets
Description (MSM6882-3/-5) 2400/1200 bps Single Chip MSK Modem
Published Dec 2, 2005
Detailed Description E2A0035-16-X0 ¡ Semiconductor MSM6882-3/6882-5 ¡ Semiconductor 2400/1200 bps Single Chip MSK Modem ThisMSM6882-3/6882-...
Datasheet PDF File MSM6882-3 PDF File

MSM6882-3
MSM6882-3

Overview
E2A0035-16-X0 ¡ Semiconductor MSM6882-3/6882-5 ¡ Semiconductor 2400/1200 bps Single Chip MSK Modem ThisMSM6882-3/6882-5 version: Jan.
1998 Previous version: Nov.
1996 GENERAL DESCRIPTION The MSM6882-3/6882-5 is a single chip MSK (Minimum Shift Keying) modem which is fabricated by Oki’s low power consumption CMOS silicon gate technology.
The demodulator receives the data to be transmitted (SD) synchronized with the transmit timing clock (ST) generated by the on-chip clock generator.
The signal, which is modulated by MSK method, is output.
The demodulator converts the received MSK signal to the received data (RD) by means of a delay detection technique after limiting the band of the received MSK signal.
This signal is input to the digital PLL and the re-generated timing clock (RT) is output from the demodulator, synchronized with the RD.
FEATURES • Signal power supply:+3.
6 V (MSM6882-3) +5 V (MSM6882-5) • On-chip SCF (Switched Capacitor Filter) • The transmit filter can be also used as voice splatter filter.
• The receive timing re-generator has two different lock-in time performance options to be chosen from.
• Bit rate 2400/1200 bps • CCIR Rec.
623 • The modulation method can be selected from COS-FFSK and SIN-FFSK.
• Built-in crystal oscillation circuit.
• Package options: 22-pin plastic DIP (DIP22-P-400-2.
54) (Product name: MSM6882-3RS) (Product name: MSM6882-5RS) 24-pin plastic SOP (SOP24-P-430-1.
27-K) (Product name: MSM6882-3GS-K) (Product name: MSM6882-5GS-K) 1/15 ¡ Semiconductor MSM6882-3/6882-5 BLOCK DIAGRAM ST SD PRE SIN Modulator 1 0 0 RC LPF Transmit LPF FT 1 RC LPF AO ME BR TI Mixer PRE LPF LIM Receive BPF 0 1 RC LPF AI CF RT Timing Re-generator RD CT VDD Signal Ground GND SG PDF * Delay Detector SH MCS X1 X2 * Post Detection Filter Clock Generator 2/15 ¡ Semiconductor MSM6882-3/6882-5 PIN CONFIGURATION (TOP VIEW) X1 1 X2 2 MCS 3 ME 4 SD 5 ST 6 SIN 7 PRE 8 BR 9 SG 10 GND 11 22 VDD 21 FT 20 CT X1 1 X2 2 MCS 3 ME 4 24 VDD 23 FT 22 C...


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