UМ131-1
The UM131-1 is 20 Watt SSB amplifier module covering a bandwidth of 1.5-30 MHz. This dual stage amplifier is specifically designed for Land Mobile HF band portable radio applications.
Power RF Amplifier:
- Power = 20 Watts
- Bandwidth = 1.5 to 30 MHz
- Gain = 30dB
- Vdd = 28 Volts
- 50 Ohms Input/Output Impedances
- Copper Flange
Absolute Maximum Ratings (T=25°C)
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| DC supply Voltage | VDD | 32.0 | V |
| DC gate Voltage, Power control | VGG | 5.0 | V |
| Input Power | Pin | 30 | mW |
| Output Power | Pout | 25 | W |
| Operating Case Temp. | Tc | -40 to +85 | °C |
| Storage Temperature | Tstg | -60 to +100 | °C |
Electrical Characteristics: (Tc = 25°C, Zs = Zl = 50 Ohms. Vdd = 28 Volts. Vgg = 5 Volts)
| Parameter | Symbol | Min | Typical | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Frequency Range | BW | 1.5 | 30 | MHz | 50 Ohm load | |
| Output Power | Pout | 20 | Watts | |||
| Power Gain | PG | 30 | 33 | dB | ||
| Total Efficiency | h | 45 | % | Po=20W, CW | ||
| Intermod - 2tone1 | IMD3, | -33 | -30 | dBc | ||
| 2nd Harmonic | F2 | -25 | dBc | |||
| 3nd Harmonic | F3 | -10 | dBc | |||
| Load Mismatch | Ψ | No degradation or destroy | Pin=20mW, Po=20W(PEP), VSWR =20 |
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1Two Tone, Reference Each Tone
Block diagram
- RF input
- Gate Voltage (Vgg), Power Control
- Drain Voltage (Vdd)
- RF Output (Pout)
- RF Ground (Case)
Test block diagram
- С1 - 0.1uF
- C2 - 100uF