MKU PA 70 HY
VHF MOSFET Power Amplifier for the 4 m Band - 70 MHz
68 ... 75 MHz • 35 W
Specifications | |
Type | MKU PA 70 HY |
Frequency range | 68 ... 75 MHz |
Input power | typ. 20 mW, max. 40 mW |
Output power | min. 35 W @ 13.5 V |
Saturation power | min. 40 W @ 13.5 V |
Harmonic rejection | min. 60 dB |
Efficiency | typ. 50 % @ 40 W |
ON voltage (PTT) | +12 ... 13.8 V |
Input return loss (S11) | min. 20 dB |
VSWR of load | max. 1.8:1 |
Maximum case temperature | +55 °C |
Monitor output | yes |
VSWR output | yes |
Supply voltage | +13.5 V DC |
Current consumption | max. 6.5 A |
Quiescent current | typ. 2.7 A |
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 | typ. 270 g |
Block diagram
Features
- Good linearity
- Built-in low pass filter for good harmonic rejection
- Over voltage protection and 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)
Options
- Amplifier mounted on heat sink with fans
Accessories
- Recommended power supply: SP 150 W 13.5
- Recommended heat sink: SK 150 - 62 1)
- Recommended fan: FAN 60x60 12 V 1)
- Thermal cut-out thermostat TS-65/10
You will find further information for dimensioning heat sinks under the rubric heat sinks.
1) Dimensioned for 25 °C ambient temperature
Important note
- Recommended output power for radio amateur applications:
Modulation type: CW/FM up to 40 W, SSB up to 20 ... 25 W - Module does not contain coaxial relay!
- Specifications subject to change without notice -
