Ramsey Electronics SG560 Especificaciones descargar pdf (Pagina 9)

The PM line of digital power meters is what every RF lab technician or micro-broadcaster needs

on his workbench. Until now, power meters of this capability cost thousands! Imagine being able

to accurately measure RF power from almost any signal source - and with the PM10, be able to tune

and match antennas! Once you use one, you will wonder how you ever did without it! And if you are a micro-broadcaster, the PM10DC will allow

you to squeeze every drop of signal out of your transmitter into a perfectly matched antenna for maximum range!

The PM50 includes a 50 watt, 50 ohm dummy load allowing you to tune your transmitter off air without causing interference. An intelligent speed

controlled fan adjusts cooling of the load according to power measured! Extremely wide power range allows continuous measurement from an

amazing 1µWatt to 50Watts, all without any manual range switching or setting - that’s over 77dB! And accuracy is an astounding ± 0.5dB over the

entire specified frequency range!

The PM10DC is a directional coupler power meter allowing measurement of both forward and reverse power. This is very useful for tuning antennas

and checking the entire transmission system. You can easily see the amount of power going out from the transmitter and the amount of power being

reflected back from a mismatched antenna. Trim your antenna for maximum efficiency! Extreme dynamic range allows you to get meaningful meas-

urements even with transmitters of less than 1mW of power or up to 50 watts! A powerful processor calculates and displays forward and reverse

power, VSWR, dB of directionality, AM percent modulation, peak power, and average power. Try doing that with any other power meter for less than a

thousand bucks! So which meter do you need? Use the PM50 if you need to test transmitters off-air or into a good 50 ohm dummy load. And the

PM10DC is just the ticket for tuning antennas and checking your entire transmitting system. Both units include the matching case & knob set and

power adapter. Case size 5”W x 1½”H x 5¼”D.

✔✔

Broadband: PM50 10 kHz to 450 MHz ± 0.5dB, 10kHz to

500 MHz ± 2dB; PM10DC: 50 kHz to 250 MHz ± 1.5dB

✔✔

High Dynamic Range: Better than 77dB!!

✔✔

Power Handling: Up to 50 Watts Continuous Maximum;

PM10DC Low Insertion Loss, Less than 0.1dB

✔✔

Readings Auto-Range and Are Displayed In

Watts/dBm/Etc

PM10DC

PM50

✔✔

Broadband…From 1 MHz to 1000 MHz, Usable to

2000 MHz!

✔✔

Low Noise Figure, Less Than 2.5dB

✔✔

Improves AM, FM, VHF TV, UHF TV, and HF Recep-

tion, 50 – 75 Ohm Impedance

✔✔

Over 25 dB Gain With Up to 100 mW of Power

Output!

Ever wish you could “perk-up” your counter or scanner to read weak signals? Or how about boosting that cable TV run to drive sets throughout the

house or maybe preamping that TV antenna to bring in that blacked out football game? The PR2 broadband preamp is the answer to all these needs as

well as many others.

You can use the PR2 anywhere a high gain, low noise amp is called for; digging out those weak shortwave signals or putting new life into that scanner

radio – especially at 800 MHz. Since the PR2 has such a high compression point of almost 100 milliwatts, you can even use it to boost the power of

small, micro transmitters! Microwave MMIC chips from NEC Japan enable the PR2 to have gain up to 2 GHz although we only spec the PR2 to 1 GHz

(believe it or not the connector lead length is the limiting factor!).

Customers tell us that the PR2 outperforms professional lab units by the “Big Boys” that go for hundreds of dollars more. The PR2 is the ideal general

purpose RF amp that you’ll wonder how you got along without. Runs on 12 VAC/DC or 120 VAC using the included wall adapter. Size: 4" x 2" x 1".

PM10/50

Power Meters

PR2

Broadband Preamplifier

ACCURATELY MEASURE RF POWER LEVELS!

INCREASE YOUR FRONT END SENSITIVITY!

PM10DCWT Power Meter/Directional Coupler With Power Supply $164.95

PM50WT Power Meter/Dummy Load With Power Supply $154.95

PR2 Broadband Preamp $69.95

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