Filters for Kenwood Radios

Kenwood TS-830

Reference	94	88	96	89	97-U	98-U	99	21
Note:	3	3	4	4	3	3	2	2
Bandwidth at 6dB	2100	2800	2100	2800	250	400	400	250
Mode	SSB	SSB	SSB	SSB	CW	CW	CW	CW
Center Freq. KHz	8830	8830	455	455	8830.7	8830.7	455.7	455.7
Shape Factor	1.5	1.5	1.5	1.5	2.8	2.5	1.8	1.8
Performance Curve Online?	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
PRICE	$115	$115	$170	$170	$115	$115	$170	$170

Notes:

1. Filters soldered on custom PC boards.

2. Drop in exact replacement.

3. Drop in but filter slightly larger in size than original.

4. Inrad filter much larger than mfgr's filter. Wire in.

5. If CW filter is installed, Inrad CW adapter kit is required.

Specifications:

1. Ultimate rejection: > 90 dB

2. Ripple: < 2 dB

3. Typical Insertion Loss: 250 Hz: < 8 dB; 500 Hz: < 6 dB; SSB/AM:< 5 dB

4. Zin=Zout=2000 ohms

Physical:

8.83 MHz: 50 x 18 x 18 mm

455 kHz: 64 x 24 x 22 mm

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