Pacific Measurements 1038
The Pacific Measurements 1038 is 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), V13 (Log amp, signal conditioning, recording of two calibration curves 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 Range | ±99.9 dB, 3 digits resolution, accuracy ±0.02 dB/10 dB ±0.05 dB |
| Drift | @ 0 dBm, <0.01 dB/°C (+15° to +45°C ); @ -40 dBm, <0.5 dB/24 Hrs at constant temperature ) |
| Frequency Range | 100 kHz to 18.5 GHz ; with single diode (P/N 15272) or balanced (P/N 15285) detector, 1 MHz to 26.5 GHz ; Wavetek Pacific Measurements waveguide detector (P/N 15882), 26.5 GHz to 40.0 GHz ; other waveguide manufacturers, up to 110 GHz |
| Power | −50 dBm to +10 dBm |
| Dynamic Range | 60 dB (Reference Channel: 40 dB) |
| Reading | Insertion Loss/Gain and Return Loss, 0.02 dB resolution |
| Noise Floor | −70 dB |
| Power | Approx. 100 VA @ 50 − 440 Hz; 100, 120, 240 VAC ±10% |
| Dimensions | Bench Mount (H x W x D) |
| Weight | 18.2 kg (40 lbs) - Vertical Plug-In 2.3 kg (5 lbs), Horizontal Plug-In |
| — Power Detectors (P/Ns 15272, 13782 and 13783 unless noted) — | |
| Input Impedance | 50 Ω nominal |
| Input Power | max. +23 dBm (200 mV) peak or average |
| Return Loss | >25.0 dB, SWR <1.12 from 1 MHz to 1 GHz; >18.0 dB, SWR <1.29 from 2 GHz to 12.4 GHz; >14.0 dB, SWR <1.50 up to 26.5 GHz |
| Accuracy | 3% to 18.5 GHz and 5% to 26.5 GHz |
| Flatness | ±0.5 dB to 18.5 GHz (P/N 15272); ±1.0 dB 18.5 GHz to 26.5 GHz (P/N 15272) ; ±1.0 dB to 18.5 GHz (P/N 13782) ; ±1.0dB to 18.5 GHz (P/N 13783; ±2.0 dB with type N or APC7 connectors to 18 GHz, ±2.0 dB to 26.5 GHz with APC3.5 connectors |
| — Power Detector P/N 15882 — | |
| Input Power | max. +20 dBm (100 mV) peak or average |
| Return Loss | >10 dB, SWR <1.92 from 26.5 to 40 GHz |
| Accuracy | 5% from 26.5 to 40 GHz |
| Flatness | ±2.0 dB from 26.5 to 40 GHz |
| Temperature | 0° to 50°C operating, -50° to +65°C non-operating |
| Accuracy | 0.2 dB to 2 dB from 30 MHz to 26.5 GHz, 0.5 dB to 2 dB from 26.5 GHz to 40 GHz |
| Cable Length | 1.5 m (5 ft) |
| Weight | Approx. 230 g (8 oz) |
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1038 bench model
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1038 bench model, rear
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1038 rack model
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