MKU PA 4M-35W HY, MOSFET-Power Amplifier
68 ... 75 MHz • 35 W
VHF MOSFET Power Amplifier for the 4 m Band - 70 MHz
VHF MOSFET Power Amplifier for the 4 m Band - 70 MHz
Technical specifications
Frequency range | 68..75 MHz |
Input power | typ. 20 mW |
Maximum input power | 40 mW |
Saturation power | min. 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 current | typ. 2,7 A |
Current consumption | max. 6.5 A |
Operating case temp. range | -20 ... +55 °C |
VSWR of load | max. 1.8 : 1 |
Input connector / impedance | SMA-female / 50 ohms |
Output connector / impedance | SMA-female / 50 ohms |
Case | milled aluminium |
Dimensions (mm) | 130 x 60 x 20 |
Weight | 270 g (typ.) |
Features
- 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)
Applications
- Analog and digital transmission systems
- Power amplifier for radio amateur applications (SSB, CW)
Important notes
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.
Industrial use
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.
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