C 1 5 - 1 Tunable Notch Traps MWT Series

   The MWT Series includes professional quality, tunable notch traps. These units are designed to trap a very narrow band of frequencies while passing the rest of the band with very low insertion loss. Two tunable traps are employed which can be tuned to the same frequency to provide up to 60 dB of attenuation. The MWT Series can be used in series with an off-air antenna feed to eliminate interference (i.e. adjacent channels). Four models are available, including: MWT-2b, low band VHF; MWT-3b, high band VHF; MWT-4, mid-band VHF; and MWT-U, UHF. The MWT Series features rugged die cast housing and can be mast or flat surface mounted.

SPECIFICATIONS   MWT-2b   MWT-3b   MWT-4   MWT-U

                                 # 4505        # 4529       # 4898    # 4614 Units

Frequency Range

Trap Tuning :          54-108          174-216      108-174  470-890 MHz

Bandpass :            54-216           54-216         54-300    54-890 MHz

Insertion Loss (Max) -

Outside Notch

54-108 MHz:               1 .0              1.0                1 . 0          1 . 5 dB

108-174 MHz:            1 . 0              1 . 0              1 . 0          1 . 5 dB

174-216 MHz:            1 . 0              1 . 0              1 . 0          1 . 5 dB

470-890 MHz:           N A               N A              N A           0 . 5 dB

Notch Depth - Maximum: 6 0           6 0               6 0              6 0 dB

Notch Depth Range:    0 . 5 - 4 0     0 . 5 - 4 0      0 . 5 - 4 0    N A dB

Notch Wi d t h : -3 (1.9 MHz) -3 (2.0 MHz) -3 (2.0 MHz) -3 (10 MHz) dB vs. Freq.

                           -30 (120 kHz) -30 (100 kHz) -30 (100 kHz) -12 (3 MHz) dB vs. Freq.

                           -40 (45 kHz) -40 (35 kHz) -40 (35 kHz) -20 (1.8 MHz) dB vs. Freq.

                                                                                               -30 (400 kHz) dB vs. Freq.

                                                                                               -40 (100 kHz) dB vs. Freq.

SPECIFICATIONS             MWT-2b   MWT-3b   MWT-4   MWT-U

                                              # 4505        # 4529       # 4898    # 4614 Units

Impedance - All Ports: 75 OHM

Return Loss - Input & Output

54-108 MHz:                            2 0                2 0            2 0          1 0 dB

108-174 MHz:                          2 0                2 0            2 0          1 0 dB

174-216 MHz:                          2 0                2 0            2 0           1 0 dB

470-890 MHz:                         N A              N A           N A           1 5 dB

GENERAL

Power Passing

Ability :                                   N O                N O            N O          Y E S

Voltage :                                N A                 N A             N A        100 VAC

Frequency :                            N A                N A             N A          0 - 60 Hz

Current :                                N A                N A              N A            6 A

ORDERING INFORMATION: FOR PRICES SEE PRICE SHEET

MWT-2b Stock No. 4505

MWT-3b Stock No. 4529

MWT-4 Stock No. 4898

MWT-U Stock No. 4614

FEATURES:

VHF AND UHF Tunable Notch Traps

Two Tunable Traps - Combined 60 dB Attenuation

Low Insertion Loss

Ideal for Eliminating Interference Off Antennas

Rugged Die Cast Housing With Mast and Flat Surface Mount

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