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- GSM de/modulator with Atmel based 32 bit AVR microcontroller and embedded SRAM
- Intel Flash TE28F800 = 512kx16 used as program memory. Max 1Mx16 allowed.
- Atmel serial (I2C) EEProm 24C64
- Ericsson DSP
- Bottom connector
- X-tal oscillator (32.768kHz)
- SIM card reader
- SIM card connector
- Audio codec (A2D, D2A, PCM).
- Voltage controlled oscillator for RX DCS frequency
- Voltage controlled oscillator for RX GSM frequency
- 13MHz x-tal, can be electronically trimmed by varistor
- Ericsson transceiver IC: mixer, IF (Homeros)
- Low pass filter 1842MHz
- Murata, 1842.5MHz bandpass filter
- Antenna source switch
- Antenna connector
- Hitachi Power amplifier PF08105
- Power management unit
- Murata, SAW bandpass filter 947.5MHz
- Murata Balun (Tx)
- Murata
- National Semiconductor: LP2988: 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset Delay
- PLL
All 6 pins white ceramic components, e.g. the one below 16, are baluns.
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