Description: Verilog code for synthesizable UWB transmitter. Youngmin Park, 2009 Cell Library Used: ARM Library Version X.X, TSMC 65nm CMOS Custom Cells Used: BUFIZX8MA10TR (custom designed tri-state inverter cell) Top Level Module: transmitter_core (transmitter_core.v) Description of Files: transmitter_core.v - Top level UWB transmitter (including scan chain) transmitter.v - Top level UWB transmitter functional block counter.v - Counter for UWB transmitter calibration custom.v - Behavioral model for custom tri-state inverter divider.v - Frequency divider lfsr16.v - 16bit LSFR for data pattern generation ppm.v - PPM modulator ring_osc.v - Ring oscillator for center freq. control scan_cells.v - Scan chain unit cell scan_chain_ro_transmitter.v - scan chain for UWB transmitter ring_osc_v2.v - Ring oscillator for BW contro