The EIP Microwave 575 is a legacy high-performance microwave frequency counter featuring automatic source locking capabilities from 10 Hz up to 18 GHz. Equipped with a YIG-tuned RF input filter, it provides high FM tolerance, excellent amplitude discrimination, and standard GPIB remote programming interface, making it ideal for phase-locking microwave signal sources and sweepers.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488) |
| Display | 12-digit LED display |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 / 120 / 220 / 240 V AC (±10%), 50 to 60 Hz |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 432 × 89 × 457 mm |
| Weight | 9.1 kg |
Frequency Measurement
| Parameter | Value |
|---|---|
| Frequency Range - Band 1 | 10 Hz to 100 MHz |
| Frequency Range - Band 2 | 10 MHz to 1 GHz |
| Frequency Range - Band 3 (Microwave) | 1 GHz to 18 GHz |
| Sensitivity - Band 1 | 25 mV rms |
| Sensitivity - Band 2 | -20 dBm |
| Sensitivity - Band 3 | -25 dBm (1 GHz to 12.4 GHz), -20 dBm (12.4 GHz to 18 GHz) |
| Input Impedance - Band 1 | 1 MΩ shunted by 25 pF |
| Input Impedance - Band 2 | 50 Ω nominal |
| Input Impedance - Band 3 | 50 Ω nominal |
| Input Coupling | AC-coupled (all bands) |
| Input Connector - Band 1 | BNC female |
| Input Connector - Band 2 | BNC female |
| Input Connector - Band 3 | Precision Type N female |
| Maximum Input Level - Band 3 | +10 dBm |
| Damage Level - Band 3 | +40 dBm (10 W) continuous |
| Resolution | Selectable 1 Hz to 1 GHz |
| Measurement Time | 1 ms for 1 kHz resolution, 1 s for 1 Hz resolution |
| FM Tolerance | Up to 20 MHz p-p |
| Amplitude Discrimination | 10 dB for signals separated by > 200 MHz |
| Input Preselector | YIG-tuned RF filter |
Source Locking & Control
| Parameter | Value |
|---|---|
| Source Locking Frequency Range | 10 MHz to 18 GHz |
| Lock Resolution | 10 kHz |
| DAC Control Voltage Output | ±10 V |
Time Base & Reference Oscillator
| Parameter | Value |
|---|---|
| Internal Reference Frequency | 10 MHz |
| External Reference Input | 10 MHz, 1 V p-p minimum into 50 Ω |
| Internal Reference Output | 10 MHz, 1 V p-p minimum into 50 Ω |
Environmental & Reliability
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +75 °C |
Options & Accessories
| Parameter | Value |
|---|---|
| Option 01 | High Stability Oven Timebase |
| Option 02 | Rear Panel Input Configuration |
Power Requirements
| Parameter | Value |
|---|---|
| Line Voltage | 100 / 120 / 220 / 240 VAC ±10% (rear panel selectable) |
| Line Frequency | 47 to 440 Hz |
| Power Consumption | 120 VA maximum |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity | Up to 95% relative humidity (non-condensing) at +40 °C |
| Operating Altitude | Up to 3,000 m (10,000 ft) |
Source Locking
| Parameter | Value |
|---|---|
| Source Modulation Sensitivity Range | 0.1 to 100 MHz/V (either polarity) |
| Lock Voltage Range | -10 V to +10 V |
| Lock Output Impedance | 100 Ohm nominal |
| DAC Resolution | 12-bit |
Options
| Parameter | Value |
|---|---|
| Option 09 | Option 02 = Rear Panel Inputs (moves all front panel inputs to the rear panel) |
| Option 10 | Chassis Slides |
Display & Controls
| Parameter | Value |
|---|---|
| Display Type | 12-digit LED |
Input Band 2
| Parameter | Value |
|---|---|
| Damage Level - Band 2 | +30 dBm (1 W) continuous |
Input Band 3
| Parameter | Value |
|---|---|
| Preselector Type | YIG-tuned automatic tracking preselector |
Inputs & Outputs
| Parameter | Value |
|---|---|
| GP-IB Connector | 24-pin IEEE-488 (rear panel) |
| Lock Output Connector | BNC female (rear panel) |
| External Reference Input Connector | BNC female (rear panel) |
| Internal Reference Output Connector | BNC female (rear panel) |
Technology
YIG-tuned filter, automatic phase-locked loop (PLL) source locking
Applications
Microwave frequency measurement, automatic signal source locking and frequency stabilization