====== CW Filter Model 245 ====== ===== Description ===== Plug-in PC assembly for Models [[540]] and [[544]] consists of four active, low Q op-amps. Center frequency of 750 Hz, bandwidth of 150 Hz. Two selectivity responses available with front panel control. Shape factor of 7.2 @ 6/60 dB. ===== Specifications ===== ***Bandwidth:** 150 Hz @ -3 dB, 1.45 kHz @ -60 dB in CW-1 position; 260 Hz @ -3 dB, 2.8 kHz @ -20 dB in CW-2 position ***Shape Factor:** 7.2 to 1 @ 6/60 dB points ***Center Frequency:** 750 Hz ***Input Impedance:** 220 k ***Output Impedance:** Less than 10 ohms ***Insertion Gain:** 2.5 dB ***Semiconductors:** 2 ICs ***Powered by Transceiver** - +12 VDC @ 2 mA ***Size:** HWL 5/8" x 23/16" x 33/16" ***Weight:** 2 oz. {{245_filter_curve.jpg?150|}}