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LOW PASS

ECHO Microwave's cavity low pass filters provide high-performance harmonic and spurious signal suppression with minimal passband insertion loss. The inherently high Q-factor of cavity resonator construction enables steep roll-off at the cutoff frequency, ensuring that unwanted higher-order harmonics are effectively attenuated without degrading the desired signal. These filters are essential at the output stage of high-power transmitters where harmonic content must be suppressed to meet regulatory emission standards. Covering 100 MHz to 40 GHz with power handling up to 1KW, our cavity low pass filters are deployed in VHF, TETRA, LTE, and GPS transmitter systems as well as military S-band and C-band platforms. Each filter is manufactured to customer specifications with a choice of connector types including SMA, N-Type, DIN, 4.3-10, and 2.92mm interfaces.

Part Number
Frequency (MHz)
I.L in BW (dB. max.)
R.L in BW (dB. min.)
Rejection (dB. min.)
Imp (ohms)
Type
Size (mm)
INQUIRY CLEAR
ECLA2700G100C50A DC~2700 1.5 12 50 @ 2800~7000MHz 50 SMA(F) 197.5x36.4x14
ECLA7300G200F20A DC~7300 3 9.54 20 @ 7500MHz
70 @ 7800MHz
50 SMA(F) 152.5x18x10
ECLA9400B60A DC~9400 1 12 60 @ 11340~18000MHz 50 SMA(F) 93x17x11
ECLA10000G3000B30AMF DC~10000 1 12 30 @ 13000~20000 50 IN: SMA(M)
OUT: SMA(F)
50.5x17x11
ECLA1000G50D65A DC~1000 2 12 65 @ 1050~12750MHz 50 SMA(F) 298x114x30
ECLA1000G200C50B DC~1000 1.5 12 50 @ 1200~6000MHz 50 N(F) 145x208.2x22
ECLA1000G570B60B DC~1000 0.8 12 60 @ 1570~1600 MHz
20 @ 1600~2500 MHz
50 N(F) 255.5x30x26
ECLA1500G30D30A DC~1500 2 12 30 @ 1530~4500MHz 50 SMA(F) 401x113x14
ECLA1540G60C40A DC~1540 1.5 14 40 @ 1600~5000MHz 50 SMA(F) 271x73.5x16
ECLA2000G500B40A DC~2000 1 15 40 @ 2500~6000MHz 50 SMA(F) 179x18x12
ECLA1300D40B DC~1300 2 14 40 @ 1500MHz~3950 MHz 50 N(Female) 495.2x34.0x29.0
ECLA2700G300C50A DC~2700 1.5 12 50 @ 3000~7000MHz 50 SMA(F) 109.8x53.4x14
ECLA3000G300C20BFM DC~3000 1.5 14 20 @ 3300MHz
40 @ 3300~18000MHz
50 IN-N(F)
OUT-N(M)
195x26x26
ECLA3000G5000A90A DC~3000 0.3 15 90 @ 8000~8500MHz 50 SMA(F) 51x42x12
ECLA3100G400B30A DC~3100 1 12 30 @ 3500~6000MHz 50 SMA(F) 155x18x12
ECLA5400FC40A DC~5400 1.5 12 40 @ 7000MHz
85 @ 7500~9000MHz
60 @ 9500~15000MHz
50 SMA(F) 108.5x17x11
ECLA10000G500B40BFM DC~10000 1 12 40 @ 10500~18000MHz 50 N(F) 23.4x14x14
ECLA40000D30K DC~40000 2 6 30 @ 44000~67000MHz 50 IN-2.92(F)
OUT-2.92(M)
23.4x14x14
ECLA40000D30KFMR DC~40000 2 6 30 @ 44000~67000MHz 50 IN-2.92(F)
OUT-2.92(M)
31x14x14
ECLA1000B60B DC~1000 0.8 12 60 @ 1570~1600 MHz
20 @ 1600~2500 MHz
50 N(Female) 315.0x32.0x29.0
ECLA2600B70B DC~2600 0.9 15 70 @ 3500~5000 MHz 50 N(Female) 210.0x22.0x22.0
ECLA1700G550A20B DC~1700 0.5 17 20 @ 2250~5000MHz 50 N(F) 184.5x20x22.5
ECLA9700B60PD DC~9700 1.3 10 60 @ 11640MHz 50 SMD TYPE 70x22x12.8
ECLA1700G550A20C DC~1700 0.5 17 20 @ 2250~5000MHz 50 7/16DIN(F) 188.5x34x36
ECLA9700B60A DC~9700 1 10 60 @ 11640MHz 50 SMA(F) 64x18x12
ECLA8000B30PD DC~8000 1 13 30 @ 11GHz
50 @ 14GHz
50 SMD TYPE 59x19x13.3
ECLA2700A50AMF DC~2700 0.3 18 50 @ 6000~10000MHz 50 IN-SMA(M)
OUT-SMA(F)
87x18x12
ECLA8000B25A DC~8000 1 12 25 @ 10~20GHz 50 SMA(F) 57x17x11
ECLA6000A40A DC~6000 0.5 10 40 @ 8400~18000MHz 50 SMA(F) 101.5x17x11
ECLA7000B40A DC~7000 1 12 40 @ 9000~18000MHz 50 SMA(F) 79.5x19x10
ECLA500G100A40BP 30~500 0.5 17 40 @ 600~1000MHz
50 @ 1000~2000MHz
50 N(F) 307.5x221x33
ECLA512A23E 30~512 0.5 14 23 @ 563~1500MHz 50 TNC(F) 276x190x26
ECLA3500B80B 50~3500 0.7 17 80 @ 4250~10000MHz 50 N(F) 227x20x22.5
ECLA500G50B15E 70~500 1 15.56 15 @ 550~3000MHz 50 TNC(F) 330x190x26
ECLA500G100A45B 100~500 0.5 15 45 @ 600~3000MHz 50 N(F) 397x193x26
ECLA1800G400BA57A 290~1800 1 12 57 @ 2200~6000MHz 50 SMA(F) 252x19x13
ELCA1200P1600G50C10A 400~2000 1.5 12 10 @ DC~350MHz
10 @ 2050~6000MHz
50 SMA(F) 196.5x71.5x14
ECLA750A65E 490~750 0.5 14 65 @ 980~1500MHz 50 TNC(F) 194x75.4x20
ECLA2000G400B45B 500~2000 0.8 15 45 @ 2400~6000MHz 50 N(F) 249.5x26x26
ECLA1000G200A20B 500~1000 0.5 15 20 @ 1,200~1,500MHz
47 @ 1,500~2,000MHz
50 N(F) 252x30x26
ECLA2000G200B15E 500~2000 1 15.56 15 @ 2200~6000MHz 50 TNC(F) 227x19x22.5
ECLA2200F65B 800~2200 3 14 65 @ 2600~9000MHz 50 N(Female) 238.0x24.0x24.0
ECLA3000G1200A47B 960~3000 0.5 15 47 @ 5200~5900MHz 50 N(F) 195x26x26
ECLA1700G300A50B 1000~1700 0.5 15 50 @ 2000MHz
60 @ 2100MHz
50 N(F) 247.5x26x26
ECLA1700G300B40B1 1100~1700 1 12 40 @ 2000~6000MHz 50 N(F) 78.7x110.5x22
ECLA1700G300B40B 1100~1700 1 12 40 @ 2000~6000MHz 50 N(F) 105.5x72.7x22
ECLA1500G1100A50B 1300~1500 0.25 18 50 @ 2600~2700MHz 50 N(F) 149x19x22
ECLA2500G900B50B 1700~2500 0.8 15 50 @ 3400MHz
60 @ 3500MHz
50 N(F) 137.5x26x26
ECLA2700A70A 1700~2700 0.5 16 70 @ 3400~13600MHz 50 SMA(F) 238x18x12
ECLA3300G330B50BP 1810~3300 1 12 50 @ 3630~10000MHz 50 N(F) 254.5x37x29
ECLA3500G500B50B 2000~3500 0.8 15 50 @ 4000MHz
60 @ 4200MHz
50 N(F) 169x26x26
ECLA2210B30A 2000~2210 0.7 14 30 @ 2460~6000MHz 50 SMA(F) 109x54x12
ELCA2700B60B 2300~2700 1 15 60 @ 4~14GHz
40 @ 14~21GHz
50 N(Female) 103.0x100.0x32.0
ECLA6000G3000A43B 3000~6000 0.5 15 43 @ 9000~10000MHz
20 @ 10000~15500MHz
50 N(F) 66x19x22
ECLA6000G600B50BP 3300~6000 1 12 50 @ 6600~12000MHz 50 N(F) 159x37x29
ECLA6000G1000B50B 3500~6000 1 12 50 @ 7000MHz
60 @ 7200MHz
50 N(F) 104x26x26
ECLA7200G720B50BP 4000~7200 1 12 50 @ 7920~15000MHz 50 N(F) 128x37x29
ECLA7200G720B50B 4000~7200 1 12 50 @ 7920~15000MHz 50 N(F) 121x19x22
ECLA7843G1157B23A 4000~7843 1 14 23 @ 9000~18000MHz 50 SMA(F) 81.5x17x11
FILTER DESIGN
INQUIRY
LIVE CHAT