QuinStar Product News 04, 18 ~ 40 GHz Broadband Prime Focus Parabolic Antenna

QuinStar Technology, Inc.
Introduces an Exciting New Product!!

18 ~ 40 GHz Broadband
Prime Focus Parabolic Antenna
with Optional Site Scope

QuinStar Technology, Inc. is pleased to introduce our new broadband prime focus parabolic antenna series. The single antenna covers the 18 to 40 GHz frequency range with good performance. This antenna series is an excellent choice for applications such as radar cross-section measurement, EW receivers, instrumentation radar and other broadband systems.

Specifications:
    Frequency Range: 18 to 40 GHz
    Input: K Connector or WRD 180C24
    Power Handling: K Connector; 10W for CW
    WRD180C24; 800W for CW, 5KW for Peak Power
    VSWR: < 1.35: 1
    Nominal Gain: 30 to 55 dB at Center Frequency
    Nominal Beamwidth: 0.6 to 2.0 Degrees at Center Frequency
    Nominal Sidelobe: - 16 dB

Test Results:
See Table 1 (below) for the detailed gain and beamwidth measurements.
See Figures 1 thru 4 for the detailed radiation patterns.

Frequency (GHz)	18	19	20	21	22	23	24	25	26	27	28	29
Gain (dB)	38.0	38.8	39.6	39.8	40.5	40.5	40.8	41.0	40.9	41.2	41.2	41.0
Beamwidth (Degree)	2.15	1.97	1.86	1.77	1.64	1.62	1.51	1.50	1.42	1.44	1.38	1.41

Frequency (GHz)	30	31	32	33	34	35	36	37	38	39	40
Gain (dB)	42.5	42.4	42.2	43.2	43.2	43.6	43.8	44.2	44.1	44.7	44.3
Beamwidth (Degree)	1.29	1.25	1.22	1.15	1.11	1.06	1.06	1.02	1.03	0.96	0.98

Note: The test results were taken with a reflector dish of 24 inches in diameter. Other dish sizes are available for different gain requirements.

Table 1

Radiation Patterns (Click images for larger view)

Figures 1 & 2: Measured Radiation Patterns at 18 GHz. Gain: 39 dB, Beamwidth: 2.15°, Side Lobe: -18.4 dB

Figures 3 & 4: Measured Radiation Patterns at 40 GHz. Gain: 44.3 dB, Beamwidth: 0.98°, Sidelobe: -18.0 dB

Views of Optional Site Scope

Please contact our Sales Department for more information on these antennas!