MKU PA 4M-35W HY, MOSFET-Leistungsverstärker
MKU PA 4M-35W HY, MOSFET-Leistungsverstärker MKU PA 4M-35W HY, Blockdiagramm

MKU PA 4M-35W HY, MOSFET-Power Amplifier

68 ... 75 MHz • 35 W
VHF MOSFET Power Amplifier for the 4 m Band - 70 MHz
net: 368,07
incl. 19% Vat. plus shipping
Lead time on request
Frequency range68..75 MHz
Input powertyp. 20 mW
Maximum input power40 mW
Saturation powermin. 40 W @ 13,5 V
Gain (small signal)min. 37 dB
Harmonic rejection min. 60 dB
ON voltage+12 ... 13.8 V DC
Supply voltage+13.5 V DC
Quiescent currenttyp. 2,7 A
Current consumptionmax. 6.5 A
Operating case temp. range-20 ... +55 °C
VSWR of loadmax. 1.8 : 1
Input connector / impedanceSMA-female / 50 ohms
Output connector / impedanceSMA-female / 50 ohms
Casemilled aluminium
Dimensions (mm)130 x 60 x 20
Weight270 g (typ.)
  • Good linearity
  • Built-in low pass filter for good harmonic rejection
  • Reverse polarity protection
  • Monitor outputs for forward and reverse power detection
  • ON / OFF control with DC voltage (+12 V DC)
  • Analog and digital transmission systems
  • Power amplifier for radio amateur applications (SSB, CW)
Please notice the following:
  • Recommended output power for radio amateur applications: Modulation type: CW/FM up to 40 W, SSB up to 20 ... 25 W
  • The technical specifications refer to room temperature.
  • The power amplifier doesn’t contain any coaxial relays.
  • The recommended combination of heat sink and fan(s) is only specified for an ambient temperature of 25 °C.
  • Further information about dimensioning of heat sinks is available on our FAQ site.
Our power amplifiers of the MKU-series are exclusively intended for amateur radio applications and will only be sold to radio amateurs with a licence. These products are specified for amateur radio requirements and are not designed for industrial applications. Please notice our list of industrial products or ask for a special version.