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Related Manuals for TELEWAVE 44DL
Summary of Contents for TELEWAVE 44DL
- Page 1 44DL Digital/Analog Broadband RF Wattmeter - User Manual 09 March 2023 Firmware Version TiF.01.15M21 Telewave.io 48421 Milmont Dr Phone 408-929-4400 Fremont, CA 94538 sales@telewave.com www.telewave.com support@telewave.com Copyright © 2023 Telewave.io.
- Page 2 Telewave.io. Warranty: Products sold by Telewave.io. and covered by this Warranty are warranted to be free from defects in material and workmanship at the time of and for a specified period after delivery to the Buyer. Seller's entire warranty...
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Page 3: Table Of Contents
PTIONAL EATHER ARRY & C ..........................13 AINTENANCE ALIBRATION ................................14 TORAGE ................................14 LEANING APPENDIX: CONNECTING THE 44DL TO THE CIRCUIT ..................15 ................................15 ONCEPTS 44DL C ..........................16 ONNECTION IAGRAM & S ..................16 ALCULATING THE RIMARY... -
Page 4: Precautions And Safety Instructions
• Never pour any liquid into the openings or connectors. • Do not immerse into any liquid. The 44DL is water resistant, not waterproof 3. Do not store this 44DL in an unconditioned environment for an extended time. Prolonged exposure to extreme heat, cold or moisture may cause damage. -
Page 5: Quick Start Guide
• Connect the primary cable to the port labeled TX on the left side of the 44DL (RF input) • Connect the cable leading to the antenna to the port on the right side of the 44DL (RF output) • The RF Sample port can be connected to any monitor or source test equipment. The sample port is bi-directional, with connectivity to both the Thru Line TX and Thru Line ANT port. -
Page 6: Lithium Battery Management
• Fully charged batteries will support about 6 hours of active operation. NOTE: The 44DL can be used when charging, but when the charger is in trickle mode there is not enough current provided to operate the 44D; the batteries will eventually be depleted. -
Page 7: Charging Power Supply & International Power Adapters
Use only 1 USB port on the charger when charging a 44DL Wattmeter Type A to Type C, G, and I adapters are included with the 44DL. This AC adapter kit will allow the power supply to be safely connected to the power sockets in most countries. -
Page 8: Power Control
The 44DL has a latching push power button in the lower left corner of the front panel. To turn the 44DL ON, push the power button until you hear a clicking sound and/or you see that the power switch rim is illuminated with a blue glow. After a few seconds the display backlight will illuminate, and the power up sequence will be shown in the display. -
Page 9: Menu Tree
5 watts. The bottom row indicates the current function of the three buttons located just below the screen. The purpose of each of these buttons change as the needed for easy configuration of the 44DL. The HOME screen function buttons are: •... -
Page 10: Frequency Range Menu
LSM/P25-P2 DL LSM, P25-P2, TETRA Downlink (all Quadrature) Settings Menu This menu is for setting the units of measurements and other behavioral parameters of the 44DL: • Power Units Select forward and reverse power display in Watts or dBm • Backlight Select the backlight intensity: Low, Medium, High Info &... -
Page 11: Specifications
Telewave.io 44DL User Manual Specifications If the 44DL is reading a signal that is outside the range of these specifications; the 44DL will indicate “---” dBm or “0.0” Watts as the measurement. The 44DL is only certified for use on a 50 Ω coax style cables. -
Page 12: Mechanical
Compatible Type B, E, F, J, K, & N socket USB Charger VDC Requirements 5.1 Volts DC at maximum 3.1 Amps (Simultaneous charging and operation) USB Connector Back of 44DL USB 2.0 Type B Jack Mechanical 44DL weight 3 lb (1.4 kg) 44DL dimensions (LWH) inches (CM) 6.75”... -
Page 13: Miscellaneous: Accessories, Options, Maintenance
Calibration must be done at Telewave.io, contact Telewave.io sales for a quote. Before each 44DL is calibrated it will be inspected. A report will be provided detailing any issues found (including battery health test report.) Any deficiencies found will be repaired (warranty for free, non-warranty if customer authorized) and then the 44DL will be calibrated. -
Page 14: Storage
The 44DL can be stored for long periods of time in a climate controlled (cool & dry) environment with no damage. It is recommended to store the 44DL in the TC44 Case, or it can be wrapped in a cloth and placed into a box or other container. -
Page 15: Appendix: Connecting The 44Dl To The Circuit
• Inserting a meter into the circuit has less impact on the behavior of the circuit. To properly connect the 44DL to the circuit to be tested, the cables used to insert the 44DL into the circuit should be of a length that is close (within 10%) to an increment of ½ wavelength. These cables are a “Primary Cable”... -
Page 16: 44Dl Connection Diagram
In this example, the final cut length for the cable would be 19.0 cm (7.5”) If a cable is required after the 44DL to reach back to the feed line, that cable should be built to the same specifications as the “Primary” or “Launch” cable. -
Page 17: Appendix: Rf Sample Port Isolation
The Sample Port is passive and has a usable bandwidth from 30 to 960 MHz. The active components of the 44DL have a narrower bandwidth of 88 to 960 MHz. The isolation provided by the sample port is consistent at 50 dB +/- 2 dB from 200 MHz up though 960 MHz (the highest frequency supported by the 44DL.)
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