Medium Power Waveguide Terminations

Features:

Low VSWR

Applications:

Transmitters
Antennas
Laboratory Test
Impedance Matching

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Medium Power Waveguide Terminations

Medium Power Waveguide Termination is a passive component used to absorb medium power microwave signals. It is similar to low-power waveguide loads and is used to protect the normal operation of other components in microwave systems, avoid signal reflection, and improve system stability. However, compared to low-power waveguide loads, high-power waveguide loads can absorb high-power microwave signals ranging from 100 watts to 1 kilowatt, with a frequency range of several hundred megahertz to up to 110GHz. Due to the high power loss of medium power waveguide loads, their internal temperature is high. To prevent load damage or overheating, a heat sink is usually needed to dissipate heat. The quality of Medium Power Waveguide Termination is determined by factors such as rated power, operating temperature, frequency bandwidth, and compatibility.

Medium Power Waveguide Termination has the following characteristics:

1. High power resistance: The Medium Power Waveguide Termination is designed to withstand microwave signals at medium power levels. It can maintain stability under high-power signal loads, avoiding overload and damage.
2. High reflection coefficient: Medium Power Waveguide Termination has a high reflection coefficient at the waveguide input end. It effectively reflects the signal inside the waveguide back to the source end, preventing the signal from continuing to transmit to the load end.
3. Broadband: Medium Power Waveguide Termination can operate over a wide frequency range and is suitable for various microwave systems with different frequencies.

Medium Power Waveguide Termination is applied in the following areas:

1. Microwave communication: Medium Power Waveguide Termination can be used in waveguide networks in microwave communication systems, providing impedance matching and good signal termination for unused signals. It can improve the efficiency of the system and reduce signal interference.
2. Microwave transmitter and receiver: Medium Power Waveguide Termination can be used for the input terminals of microwave transmitters and receivers. It can effectively absorb the power of the input signal, prevent signal reflection and interference with other electronic devices. 3. Microwave testing and measurement: Medium Power Waveguide Termination is widely used in microwave testing and measurement, providing the correct load for the equipment to be tested. It can protect testing equipment from damage from excessive power signals and provide accurate test results.
3. Microwave RF power amplifier: Medium Power Waveguide Termination can be used as the output terminal to terminate the load of microwave RF power amplifier. It can absorb the power of the amplifier output signal, prevent signal reflection and damage to the amplifier itself.

Qualwave supplies low VSWR medium power waveguide terminations cover the frequency range 1.72~75.8GHz.

Part Number	Frequency (GHz, Min.)	Frequency (GHz, Max.)	Power (W)	VSWR (Max.)	Waveguide Size	Flange	Lead Time (Weeks)
QWT15-50	49.8	75.8	50	1.2	WR-15 (BJ620)	FUGP620	0~4
QWT19-50	39.2	59.6	50	1.2	WR-19 (BJ500)	FUGP500	0~4
QWT22-50	32.9	50.1	50	1.2	WR-22 (BJ400)	FUGP400	0~4
QWT28-50	26.3	40	50	1.2	WR-28 (B320)	FBM320	0~4
QWT28-K1	26.3	40	100	1.2	WR-28 (BJ320)	FBP320	0~4
QWT34-K1	21.7	33	100	1.2	WR-34 (BJ260)	FBP260	0~4
QWT42-K1	17.6	26.7	100	1.2	WR-42 (BJ220)	FBP220	0~4
QWT51-K1	14.5	22	100	1.2	WR-51 (BJ180)	FBP180	0~4
QWT62-K1	11.9	18	100	1.2	WR-62 (BJ140)	FBP140	0~4
QWT75-K1	9.84	15	100	1.2	WR-75 (BJ120)	FBP120	0~4
QWT90-K1	8.2	12.5	100	1.2	WR-90 (BJ100)	FBP100	0~4
QWT112-K15	6.57	10	150	1.2	WR-112 (BJ84)	FBP84	0~4
QWT137-K3	5.38	8.17	300	1.2	WR-137 (BJ70)	FDP70	0~4
QWT159-K3	4.64	7.05	300	1.2	WR-159 (BJ58)	FDP58	0~4
QWT187-K3	3.94	5.99	300	1.2	WR-187 (BJ48)	FDP48	0~4
QWT229-K3	3.22	4.9	300	1.2	WR-229 (BJ40)	FDP40	0~4
QWT284-K5	2.6	3.95	500	1.2	WR-284 (BJ32)	FDP32	0~4
QWT340-K5	2.17	3.3	500	1.2	WR-340 (BJ26)	FDP26	0~4
QWT430-K5	1.72	2.61	500	1.2	WR-430 (BJ22)	FDP22	0~4
QWT19-K6	39.2	59.6	600	1.2	WR-19 (BJ500)	FUGP500	0~4