Differences
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245 [2007/02/14 16:08] n5na created |
245 [2007/12/03 04:56] (current) n5na |
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| ===== Description ===== | ===== 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. | 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. | ||
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| + | ===== 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. | ||
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| + | {{245_filter_curve.jpg?150|}} | ||
