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International Radio :: Filters :: Filters for Experimenters :: #705

#705

#705 
500 Hz 455 kHz CW 7-pole Collins filter **DISCONTINUED** **BOARDS ONLY AVAILABLE**

Note: bandwidth is measured by the manufacturer at -3 dB; we measured shape factor at -60/-6 dB.

Note: Collins mechanical filters are no longer in production. This 500 Hz filter is discontinued. The Collins part number for the 500 Hz filter is 526-8693-010. This filter can be used with our daughter boards for the Yaesu FT-817, FT-818, FT-857/D, FT-897/D, FT1000/D, FT1000MP, FRG-100. We have the board available at $20 while inventory lasts. If you have the Collins 526-8693-010 filter and need the board, select transceiver model and order below. 500 Hz FILTERS ARE DISCONTINUED. USE THIS PAGE FOR ORDERING CIRCUIT BOARD WITH MATCHING NETWORK ONLY FOR COLLINS 500 Hz FILTERS

The INRAD model #712 300 Hz Collins filters are currently still available for many Yaesu and other transceivers while inventory lasts.

Details
 
Bandwidth 500 Hz
Center Frequency 455.0 kHz
Mode CW
Shape Factor 2.5
Zin/Zout 2000 ohms // 30 pF
Typical Insertion Loss 250 Hz: < 9 dB; 500 Hz: < 7 dB; SSB/AM: < 6 dB
Price: $20.00

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