Pacific Measurements 1038
The Pacific Measurements 1038 was a 1 or 2 channel scalar network analyzer incorporating a Tektronix D10 (P-7 long persistance phosphor), D11 storage (Split Screen Storage) or [D14] 5000-series scopes display unit mainframe with optional rack mount and IEEE bus.
Options were available for:
• Horizontal Plug-Ins H10 (Sweep drive), H11 (Sweep Drive and memory address circuits), H12 (Sweep drive and ratio channel), H13 (Sweep drive, memory address circuits and ratio channel) and K11 (Replaces H11 and provides amplitude sweep).
• Vertical Plug-Ins V10 (Log amp and signal conditioning), V11 (Log amp, signal conditioning and 256 point memory), V12 (Log amp, signal conditioning and 1024 point memory) and V20 (Linear amp, 1024 point memory and for use in conjunction with Model 1018B power meter).
• N10 Plug-In (2 Channel Network Analyzer).
• NS20 Plug-In (2 Channel Network Analyzer) with optional NS201 (2 to 18.5 GHz RF Source Module).
• C10 Plug-In Calibration Fixture and Extender Kit for direct calibration and check out of the D14/D14A Mainframe. It has extension cables to permit calibration and maintenance of the H/V system plug-ins.
• Power Input Calibrator Unit (Detector Simulator - P/N 15484) will act as a "Standard" detector to furnish accurate voltages to the H/V system when it is desired to calibrate the amplitde correction circuitry.
Pacific Measurements later became part of Wavetek.
Key Specifications
| H/V System | |
|---|---|
| -------------------- | |
| Offset Control Resolution | 3 Digits |
| Offset Control Range | ±99.9dB |
| Offset Control Accuracy | ±0.02dB/10dB ±0.05dB |
| Drift @ 0dBm | <0.01dB/°C (+15° to +45°C ) |
| Drift @ -40dBm | <0.5dB/24 Hrs at constant temperature ) |
| Frequency Range | 100kHz to 18.5GHz |
| Frequency Range with Single Diode (P/N:15272) | |
| or Balanced (P/N:15285) Detector | 1MHz to 26.5GHz |
| Frequency Range with Wavetek Pacific | |
| MeasurementsWaveguide Detector (P/N:15882) | 26.5GHz to 40.0GHz |
| Frequency Range from other | |
| Waveguide Manufacturers | up to 110GHz |
| Absolute (dBm) or Relative (dB) Power | -50dBm to +10dBm |
| Dynamic Range | 60dB |
| Dynamic Range Reference Channel | 40dB |
| Insertion Loss/Gain and Return Loss | 0.02dB resolution |
| Noise Floor | -70dB |
| Power | Approx. 100VA @ 50 - 440Hz; 100, 120, 240VAC ±10% |
| Dimensions - Bench Mount (H x W x D) | 381 x 216 x 483 mm ( 15 x 8.5 x 19 in.) |
| Dimensions - Rack Mount (H x W x D) | 178 x 483 x 483 mm ( 7 x 19 x 19 in.) |
| Dimensions - H/V Plug-Ins (H x W x D) | 16.8 x 6.60 x 29.7 cm ( 6.6 x 2.6 x 11.7 in.) |
| Weight | 18.2kg (40lbs) |
| Weight Vertical Plug-In | 2.32kg (5lbs) |
| Weight Horizontal Plug-In | 2.0kg (4.4lbs) |
| -------- | |
| Power Detectors | P/N's 15272, 13782 and 13783 unless noted |
| ------------------------ | |
| Input Impedance | 50 ohms, nominal |
| Maximum Input Power | +23 dBm (200mV) peak or average |
| Return Loss | >25.0dB, SWR <1.12 from 1MHz to 1GHz |
| Return Loss | >18.0dB, SWR <1.29 from 2 to 12.4GHz |
| Return Loss | >14.0dB, SWR <1.50 up to 26.5GHz |
| Accuracy | 3% to 18.5GHz and 5% to 26.5GHz |
| Flatness P/N:15272 | ±0.5dB to 18.5GHz |
| Flatness P/N:15272 | ±1.0dB 18.5 to 26.5GHz |
| Flatness P/N:13782 | ±1.0dB to 18.5GHz |
| Flatness P/N:13783 | ±1.0dB to 18.5GHz |
| Flatness | ±2.0dB with type N or APC7 connectors to 18GHz |
| Flatness | ±2.0dB to 26.5GHz with APC3.5 connectors |
| Maximum Input Power P/N:15882 | +20 dBm (100mV) peak or average |
| Return Loss P/N:15882 | >10dB, SWR <1.92 from 26.5 to 40.0GHz |
| Accuracy P/N:15882 | 5% from 26.5 to 40.0GHz |
| Flatness P/N:15882 | ±2.0dB from 26.5 to 40.0GHz |
| Operating Temperature | 0° to 50°C |
| Non-operating Temperature | -50° to +65°C |
| Measurement Accuracy | 0.2dB to 2dB from 30MHz to 26.5GHz |
| Measurement Accuracy | 0.5dB to 2dB from 26.5GHz to 40.0GHz |
| Cable Length | 1.5m (5ft) |
| Weight | Approx. 230gm (8oz) |
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