The Keysight (Agilent HP) 8757C is a high-performance scalar network analyzer designed for swept microwave and millimeter-wave component measurements from 10 MHz up to 110 GHz with appropriate detectors and directional bridges.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | HP-IB (GPIB), 8757 System Interface |
| Display | 9-inch internal color CRT raster display, 1024 x 400 graphics resolution, 25.5 kHz horizontal scan rate |
| Compatible Signal Sources | HP 8360 series, HP 8350B, HP 8340/8341 synthesized sweepers |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 0 to +55 °C |
| Dimensions (W×H×D) | 425 mm × 178 mm × 482 mm |
| Weight | 15 kg |
| Rack Mounting | Compatible with HP System II cabinet/rack slide kits |
Receiver & Measurement Characteristics
| Parameter | Value |
|---|---|
| Frequency Range | 10 MHz to 110 GHz (detector and bridge dependent) |
| Number of Display Channels | 4 independent channels |
| Standard Detector Inputs | 3 inputs (A, B, R) |
| Optional Detector Inputs | 4 inputs (A, B, C, R) with Option 001 |
| Detection Modes | AC and DC detection modes |
| AC Detection Modulation Frequency | 27.778 kHz square wave |
| Auxiliary ADC Voltage Input Range | -10 to +10 V (via BNC ADC IN) |
Display & Trace Functions
| Parameter | Value |
|---|---|
| Display Horizontal Resolution | 101, 201, 401, 801, or 1601 trace points |
| Averaging Factors | 2, 4, 8, 16, 32, 64, 128, or 256 successive traces |
| Smoothing Aperture Range | 0.1% to 20% of trace width |
| Normalization | Traces stored and normalized at highest resolution, independent of scale/div or offset |
| dBm Mode Resolution | 0.1 to 20 dB/division |
| dB Mode Resolution | 0.1 to 20 dB/division |
| Graphics Resolution | 1024 x 400 pixels |
| Simultaneous Monitor Support | Drives internal display and one external monitor simultaneously |
Source Control & System Interface
| Parameter | Value |
|---|---|
| On-Screen Graphics Language | HP-GL compatible subset |
| System Interface | Controls external printers, plotters, and sweep sources |
| Programmable Interrupts | Front panel key, soft key, numeric entry, operation complete, limit test failed, syntax error, impossible action, self-test error, knob activity |
Rear Panel Interfaces & Inputs
| Parameter | Value |
|---|---|
| Stop Sweep Connector | Rear-panel BNC input/output |
| DAC Out Connector | Rear-panel BNC output |
| ADC IN Connector | Rear-panel BNC input |
| Video Output Connector | Rear-panel output for external monitor |
| Modulation Signal Output | Rear-panel 27.778 kHz square wave output |
Compatible Sensors & Accessories
| Parameter | Value |
|---|---|
| Storage Compatibility | Stores states and calibration data to external HP-IB disk drives |
Options
| Parameter | Value |
|---|---|
| Option 001 | Adds a fourth detector input (Input C) |
Performance
| Parameter | Value |
|---|---|
| Selectable Trace Points | 101, 201, 401, 801, or 1601 points |
| Save/Recall Registers | 9 non-volatile registers for instrument states |
| Number of Markers | 5 independent markers per channel |
| AC Mode Dynamic Range (11664 detectors) | 60 dB (+10 to -50 dBm) |
| AC Mode Dynamic Range (85037 detectors) | 75 dB (+20 to -55 dBm) |
| AC Mode Dynamic Range (85025 detectors) | +16 to -55 dBm |
| DC Mode Dynamic Range (85025 detectors) | +16 to -50 dBm |
| Display Scale Factor Range | 0.1 dB/div to 20 dB/div (in 1, 2, 5 sequences) |
| Display Reference Level Range | -90 to +90 dBm (absolute) or -90 to +90 dB (relative) |
Power Requirements
| Parameter | Value |
|---|---|
| Power Consumption | 150 VA maximum |
| Power Line Frequency | 48 to 66 Hz |
| Power Line Voltages | 100, 120, 220, or 240 VAC % |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 C to +75 C |
| Operating Altitude | Up to 4,570 m (15,000 ft) |
| Storage Altitude | Up to 15,240 m (50,000 ft) |
| Operating Humidity | 95% relative humidity at +40 C (non-condensing) |
Connectivity & I/O
| Parameter | Value |
|---|---|
| Direct Plot/Print Compatibility | HP-IB plotters and printers supporting HP-GL or PCL |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Sweep Voltage Input Range | 0 V to 10 V (nominal sweep ramp) |
| Sweep Voltage Input Impedance | > 10 kΩ |
| Rear Panel Video Outputs | Red, Green, Blue BNC connectors (75 Ω) |
| System Interface GPIB Dedicated Port | HP-IB port for exclusive control of sweep oscillator and plotter |
| Standard Detector Ports | 3 ports (A, B, R) |
| Maximum Detector Ports with Option 001 | 4 ports (A, B, C, R) |
Technology
Scalar Network Analysis
Applications
Microwave & Millimeter-Wave Component Characterization