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LDG Z100
Auto Tuner

Discontinued

Replaced by the
LDG Z100PRO

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our Used List

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Discontinued Amateur Antenna Tuners 

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Rear View | With FT817

LDG Z100

The LDG Z100 is the definitive low cost automatic antenna tuner! It has been designed from the ground up to provide the power handling you asked for, in a small, lightweight package that is perfect for portable as well as sitting on your desk in your shack! The Z-100 will tune with 0.1 to 125 watts (50 watts on 6 meters), making it an excellent choice for almost any radio or operating style. Backpackers and QRP operators will appreciate the latching relays. Power can be removed from the tuner once you have tuned. Additionally, when the tuner is idle, it is essentially off, drawing less than a microamp! Additionally, the Z-100 features 200 fast memories which will decrease tuning time up to 95%!

This automatic antenna tuner will interface to many radios for added convenience. Optional LDG interfaces integrate the tuner to the radio so you can take advantage of radio faceplate "tune buttons" (if so equipped) or tuner signaled tuning. Please consult your radio manual for details on using it with an automatic antenna tuner.

Simple operation is the key to the Z-100. Provide a continuous carrier, then press and hold the tune button for 1 second. The Z-100 tunes. The red LED indicates tuner activity and the green LED indicates an SWR of 1.0 to 1.5 (steady green LED) and 1.5 to 2.0 (blinking green LED). If your antenna is already resonant, place the tuner in bypass. Pressing and releasing the tune button quickly will bypass the tuner, taking all tuning components out of line.

Operating range is 1.8 to 54 MHz and will tune a 10:1 SWR (3:1 on 6 meters) down to 1.5:1 or less. It will tune almost any coax fed antenna including dipoles, beams, and verticals. Add any 4:1 Balun to use ladder line or to tune long wire or Zepp antennas. This tuner carries a two year manufacturer's limited warranty.

Specifications:
* Continuous coverage 1.8 to 54 MHz
* Power rating HF (1.8 to 30 MHz): 0.1 to 125 watts
* Power rating 6 meters: 50 watts
* High efficiency switched "L" tuning network
* Tuning time: 0.5 to 6 seconds, 3 seconds average
* Antenna impedance: 6 to 800 Ohms (10:1 HF SWR) (3:1 6M SWR)
* 200 fast memories
* Latching relays, holds tune position forever.
* Optimized, low power consumption tuning algorithm
* Power requirements: 9 to 16 volts DC @ 300 mA max (user supplies power source)
* Enclosure: 5.5 x 5.25 x 1.5 inches 14 oz (14.0 x 13.5 x 3.8 cm 400 g)


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