Receptor Kenwood R5000 - Inrad

Kenwood R5000 - Filter Inrad 4 kHz AM Wide

Circuitry	AM/USB/LSB/CW/FSK	Double-Conversion Superheterodyne
	FM	Triple-Conversion Superheterodyne
Antenna Impedance	Antenna 1	50 ohms
	Antenna 2	50/500 ohms
Frequency Range		100 kHz to 30 Mhz 108 to 174 Mhz
Intermediate Frequency	AM/USB/LSB/CW/FSK	1st: 58.1125 MHz, 2nd: 8.83 MHz
	FM	1st: 58.1125 MHz, 2nd: 8.83 MHz, 3rd: 455 kHz
Modes		AM(A3)/USB(J3E)/LSB(J3E)/CW(A1A)/FM(F3E)/FSK(F1B)
Sensitivity Mode\Freq. 100- 150 kHz 150- 500 kHz 500 kHz- 1 .8 MHz 1.8- 30 MHz 108- 132 MHz 132- 174 MHz USB/LSB/CW/FSK [at 10 dB (S+N/N] <2.5 uV <1 uV <4 uV <0.25 uV <0.5 uV <0.25 uV AM [at 1 kHz 30% mod.] <25 uV <10 uV <32 uV <2 uV <4 uV <2 uV FM [at 12 dB SINAD] --- --- --- <0.5 uV <1 uV <0.5 uV
Selectivity		USB/LSB/CW/FSK -6 dB 2.4 kHz -60 dB 4.4 kHz AM -6 dB 6 kHz -60 dB 11 kHz FM -6 dB 12 kHz -50 dB 25 kHz
Image Ratio		100 kHz to 1.8 MHz 1.8 to 30 MHz 108 to 123 MHz 123 to 174 MHz >60 dB >80 dB >40 dB >50 dB
1st IF Rejection		100 kHz to 1.8 MHz 1.8 to 30 MHz 108 to 123 MHz 123 to 174 MHz >60 dB >80 dB >70 dB >80 dB
IF Shift Variable Range		More than +/- 0.9 kHz
Notch Filter Attenuation		More than 25 dB (500 to 2600 Hz)
Squelch Sensitivity Mode\Freq. 100-150 kHz 150-500 kHz 500 kHz-1.8 MHz 1.8 MHz-30 MHz 108 MHz-132 MHz 132 MHz-174 MHz AM/USB/LSB/CW/FSK <20 uV <10 uV <20 uV <2 uV <10 uV <2 uV FM --- --- --- <.32 uV <1 uV <0.32 uV
Frequency Accuracy		Less than +/- 10 PPM
Frequency Stability		Less than +/- 10 PPM
Output	External Speaker	1.5 W across 8 ohms load (10% distortion)
	REC Jack	300 mV across 4.7 Kohm load (at 1 mV input with 30% modulation in AM or 3kHz deviation in FM)
Output Load Impedance		8 ohms maximum
Clock	Type	Quartz Clock
	Accuracy	Less than +/- 60 seconds/month
Power Requirement		120 VAC +/- 10% 60 Hz or 13.8 VDC +/- 15%
Power Consumption		40 watts (AC) or 2 A (DC)
Operating Temperature		-10 to +50C (+14 to 122°F)
Dimensions W x H x D (Includes Projections)		270 x 96 x 270 mm (279 x 107 x 307 mm)
Weight		5.6 kg (12.3 lbs)

Package of Inrad filter

Left, Inrad filter, right, stock Wide filter over the assembly instructions

Stock filter located at the central RF board

Inrad filter (wire in)

Tools needed to install the Inrad filter in place of stock filter

Listening to a Brazilian regional shortwave radio using wide filter (AUTO)

Sources:

http://www.inrad.net/home.php?cat=40

http://www.smeter.net/specifications/receiver-specs.php

http://www.mwcircle.org/mw_rec_r5000.htm

http://www.dxing.com/rx/r5000.htm

http://www.eham.net/reviews/detail/468

http://www.rigpix.com/kenwood/r5000.htm

Acessos desde 2002