The Keysight 8447F is a combined instrument containing both the 8447D Preamplifier and the 8447E Power Amplifier in a single package. Operating over a frequency range of 0.1 to 1300 MHz, it provides gain and power to overcome systematic RF losses, drive high-power devices, and improve the dynamic range and sweep speed of measurement systems like network analyzers.
Specifications
Physical
| Parameter | Value |
|---|---|
| Power Supply | 110 or 230 VAC ±10%, 48 to 440 Hz, 15 W |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 216 mm × 130 mm × 330 mm |
| Weight | 3.8 |
Frequency & Gain
| Parameter | Value |
|---|---|
| Frequency Range | 0.1 to 1300 MHz |
| Preamplifier Mean Gain | >= 25 dB (at 25 °C) |
| Power Amplifier Mean Gain | >= 22 dB |
| Preamplifier Gain Flatness | ±1.5 dB |
| Power Amplifier Gain Flatness | ±1.5 dB |
Noise & Signal Fidelity
| Parameter | Value |
|---|---|
| Preamplifier Noise Figure | < 8.5 dB |
| Power Amplifier Noise Figure | < 11 dB |
| Preamplifier Harmonic Distortion | -30 dB for 0 dBm output (typical) |
| Power Amplifier Harmonic Distortion | -30 dB for +10 dBm output (typical) |
| Preamplifier Output for <-60 dB Harmonic Distortion | -30 dBm (typical) |
| Power Amplifier Output for <-60 dB Harmonic Distortion | -20 dBm (typical) |
Signal Limits & Isolation
| Parameter | Value |
|---|---|
| Preamplifier Output Power at 1 dB Compression | >= +7 dBm |
| Power Amplifier Output Power at 1 dB Compression | >= +12.5 dBm |
| Maximum DC Input Voltage | ±10 V |
| Preamplifier Reverse Isolation | > 40 dB |
| Power Amplifier Reverse Isolation | > 40 dB |
Impedance & VSWR
| Parameter | Value |
|---|---|
| Nominal Impedance | 50 Ω |
| Preamplifier Input VSWR | < 2.0 (0.1 to 1300 MHz) |
| Preamplifier Output VSWR | < 2.2 (0.1 to 1300 MHz) |
| Power Amplifier VSWR | < 2.2 (0.1 to 1300 MHz, input and output) |
Connectors & Interfaces
| Parameter | Value |
|---|---|
| Input Connector Type | BNC female |
| Output Connector Type | BNC female |
Physical Characteristics
| Parameter | Value |
|---|---|
| Form Factor | Benchtop (Half-rack width) |
Preamplifier Performance
| Parameter | Value |
|---|---|
| Preamplifier Maximum Continuous RF Input Power | +13 dBm (1.0 V RMS) |
| Preamplifier Frequency Range | 0.1 to 1300 MHz |
Power Amplifier Performance
| Parameter | Value |
|---|---|
| Power Amplifier Maximum Continuous RF Input Power | +17 dBm (1.6 V RMS) |
| Power Amplifier Frequency Range | 100 kHz - 1.3 GHz |
General Performance
| Parameter | Value |
|---|---|
| Input/Output Coupling | AC coupled |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +75 °C |
Options
| Parameter | Value |
|---|---|
| Option 010 Connectors | Type-N female |
Power Requirements
| Parameter | Value |
|---|---|
| Power Consumption | 15 W |
| AC Input Voltage | 110 / 230 VAC (±10%), 48 - 440 Hz |
Technology
Solid State RF Amplifier
Applications
RF signal amplification, dynamic range improvement, and network analyzer sweep speed enhancement
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