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TO ORDER: Call 903-558-1007 |
ANTM1. This directional VLF antenna can be tuned from 3 KHz to 33 KHz with an external capacitor value of 0.1 uF to 300 pF. @ 300 pF tunes to @ 33 KHz. 0.1 uF tunes to @ 3.1 KHz.
Weather proof sealed. 6.5 inch wire leads. 6.5 inch long CPVC plastic case. Great for use in series resonant VLF transmitters or VLF receivers. 1 watt max.
ANTM1 is $ 30.00 + s/h.
DC - 30 KHz Wideband Instrumentation Amplifier for use with these antennas.
Useful as antennas and in tuned frequency selection circuits, filters, sensors.
Part # | SRF | 50 pF | 350 pF | 1000pF | 4000pF | 0.047uF | 0.1 uF | 0.47uF | 1.0 uF | 3.3 uF | 10 uF | 47 uF | Price |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
78-175-30 | 375 KHz | 350 KHz | 190 KHz | 120 KHz | $ 25.00 | ||||||||
78-350-30 | 132 KHz | 56 KHz | 31.4 KHz | 9 KHz | 6 KHz | $ 25.00 | |||||||
78-525-30 | 85 KHz | 37 KHz | 20.4 KHz | 6 KHz | 4.2 KHz | 1.9 KHz | $ 25.00 | ||||||
78-700-30 | 67 KHz | 28 KHz | 15.3 KHz | 4.6 KHz | 3.2 KHz | 1.5 KHz | $ 25.00 | ||||||
78-875-30 | 58 KHz | 23 KHz | 12.3 KHz | 3.7 KHz | 2.5 KHz | 1.2 KHz | 800 Hz | $ 25.00 | |||||
78-1050-30 | 52 KHz | 19.8 KHz | 10.4 KHz | 3.1 KHz | 2.1 KHz | 1.0 KHz | 680 Hz | 370 Hz | $ 25.00 | ||||
78-1225-30 | 46 KHz | 17.2 KHz | 9.0 KHz | 2.6 KHz | 1.8 KHz | 900 Hz | 575 Hz | 310 Hz | $ 25.00 | ||||
78-1400-30 | 41 KHz | 15.1 KHz | 7.9 KHz | 2.3 KHz | 1.6 KHz | 750 Hz | 510 Hz | 270 Hz | 160 Hz | $ 26.00 | |||
78-2400-30 | 28 KHz | 9.2 KHz | 4.7 KHz | 1.4 KHz | 960 Hz | 450 Hz | 310 Hz | 165 Hz | 97 Hz | $ 27.00 | |||
78-3500-33 | 18 KHz | 3 KHz | 900 Hz | 620 Hz | 300 Hz | 200 Hz | 100 Hz | 57 Hz | $ 28.00 | ||||
78-4500-33 | 15 KHz | 2.4 KHz | 710 Hz | 490 Hz | 231 Hz | 156 Hz | 82 Hz | 49 Hz | $ 30.00 | ||||
78-6500-33 | 12 KHz | 1.6 KHz | 500 Hz | 295 Hz | 160 Hz | 110 Hz | 58 Hz | 34 Hz | 16 Hz | $ 32.00 | |||
78-8125-33 | 11 KHz | 1.4 KHz | 400 Hz | 276 Hz | 130 Hz | 89 Hz | 48 Hz | 28 Hz | 13 Hz | $ 35.00 |
Shipping/Handling extra. Ships via US mail.
DC - 30 KHz Wideband Instrumentation Amplifier for use with these antennas.
NOTE: Antennas are 4 inches long. ELF antennas are larger diameter than unit shown in photo.
NOTE: These antennas are bi-directional having a 'figure 8' pattern.
NOTE: Works either series resonant (low z) or parallel resonant (high z). External capacitor is user supplied.
NOTE: Table above shows tuned frequency in KHz or Hz when external capacitor value is used in parallel or series with the antenna.
NOTE: GREEN color in table indicates antenna has best performance at this frequency and above.
NOTE: PINK color in table indicates antenna has wider bandwidth and lower performance at this frequency and below.
NOTE: SRF is the highest possible frequency the antenna can operate at, but it is recommended operating below this value using the minimuim and maximum capacitor values shown.
NOTE: Table shows user-supplied capacitor values needed to tune the antennas to frequencies shown.
NOTE: Frequency Tolerance Specifications: +/- 20 %.
NOTE: The ( - ) lines in the table indicate that the antenna is not for use with that capacitor value.
NOTE: Highest and lowest capacitor values and highest and lowest frequency working ranges are indicated in the table.
See our complete line of standard antennas: