Overview

CHAMELEON ANTENNA CHA RXL Receive Loop

CHAMELEON ANTENNA CHA RXL is a new design, high performance Low Frequency (LF), Medium Frequency (MF), and High Frequency (HF) receive-only loop antenna. It can be permanently mounted outside on a mast or used on a camera tripod next to an RV or on an apartment balcony. Its broadband design is ideal for Software Defined Radios (SDRs), panadapters, hams wanting a small low-noise receive-only antenna, shortwave listeners (SWLs), AM broadcast band listeners, and anybody needing a small receive antenna.

Key features of the CHA RXL:
- Wideband design – LF / MF / HF
- Highly directional
- Balanced input preamplifier to eliminate environmental noise and ground loops
- Receives on new 2200m and 630m ham bands
- Flexible mounting and power options
- Stealthy – Navy gray loop fades into the background sky

Receive loops are very quiet and highly directional. With the built-in preamplifier, the CHA RXL will enable clearer reception than many large horizontal wire or vertical antennas. The CHA RXL covers all frequencies between 137.5 kHz and 30.0 MHz. Become a WSPR Reporting Station on the new 2200 and 630 meter bands and join the fun!

RXL Loop Amplifier Specifications:
- Frequency: 135.7 kHz – 30.0 MHz continuous
- Power: 12 V DC (120 V AC wall adapter included USA ONLY)
- Size: 36 in. loop
- Weight: 7 lbs.
- Mount: mast or camera tripod
- Operating voltage: 12-14 V DC – Polarity Protected, Over-Voltage protection 15.5 V – 20 V (sustained voltage above 18 V may damage the preamp)
- Gain: 25 dB @ 2.5 MHz, 12.5 dB @ 30 MHz (see graph)
- Noise Figure: < 5 dB
- P1dB: >0 dBm relative to the output
- OIP3: > +20 dBm
- Input Limit (no damage): +20 dBm
- RF Power Applied to the Output: 0.25W maximum (do not transmit into the pre-amp)

RXL Bias-T Specifications:
- Operating Voltage: 12-14 V DC – Polarity Protected, Over-Voltage protection 15.5 V – 20 V (sustained operation above 18 V may trip the resettable fuse)
- Maximum Current: 300 mA max.
- Insertion Loss: < 0.25 dB @ 30 MHz
- VSWR: < 1.3:1 @ 30 MHz

The CHA-RXL antenna system available from DX Engineering consists of:
1 – 36 in. single Loop
1 – Tuning Box
1 – 12V Power Supply
1 – Bias-Tee
1 – "L" Bracket and Hardware
1 – Tabletop Rubber Feet
1 – USER GUIDE

Documentation

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