PNCS-1 1 GHz Phase Noise Cl ock Standard
Product Manual
This information is being released into the public domain in accordance with the Export Administration
Regulations 15 CFR 734
Signal Hound PNCS-1 User Manual
2018, Signal Hound
th
35707 NE 86
La Center, WA
Phone 360.263.5006 • Fax 360.263.5007
Ave
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Contents
1 Overview ............................................................................................................................................................ 4
2 Preparation ........................................................................................................................................................ 4
3 Understanding the PNCS-1 Hardware ............................................................................................................ 4
4 Calibration and Adjustment ............................................................................................................................ 5
5 PNCS-1 Typical Performance .......................................................................................................................... 5
6 Warranty and Disclaimer ................................................................................................................................. 6
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Overview | Initial Inspection
1 Overview
This document outlines the operation and functionality of the PNCS-1 1 GHz phase noise clock
standard.
The PNCS-1 is an ultra-low phase noise oscillator. It can be mechanically tu ned to 1 G Hz
using the included adjustment tool. The output pow er is +1 0 dB m
± 2 dB.
± 25 Hz
2 Preparation
2.1 IN ITIA L INSPE CTIO N
Check your package for shipping damage be fore opening. Your box should contain a PNCS-1 and a
13.5V AC-DC power adap ter.
2.2 CONNECTING YOUR PNCS-1
Plug the power jack into the PNCS-1 DC power in. Wait 3 minutes for the OCXO to warm up. For
best stability, leave the PNCS-1 plugged in for 30 minutes before use .
3 Understanding the PNCS-1 Hardware
The PNCS-1 uses an ultra-low phase noise, 100 MHz OCXO. It doubles the fre quency to 200 MHz,
filters, multiplies the frequency by 5, filters using a 1 GHz SA W filter, and then amplifies it to +10 dBm.
3.1 SPURIOUS SIGNA LS
Harmonics of 1 GHz will be present at the output. Typically these will be more than 30 dB down.
Smaller spurs at multiples of 100 M Hz wil l be present at high frequencies as well.
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Calibration and Adjustm e nt | Spurious Signals
Offset Frequency
Typical dBc/Hz
10Hz
-83
100 Hz
-118
1 kHz
-138
10 kHz
-146
100 kHz
-150
1 MHz
-151
4 Calibration and Adjustment
The output frequency may be mechanically adjusted using the included slotted adjustment tool.
Contact Signal Hound for more information regarding calibration, or to schedul e a cali bration.
5 PNCS-1 T ypical Performance
Frequency Range 1 GHz ± 1 kHz, mechanically adjustable
Output Power +10 dBm ± 2 dB
-9
Timebase Accuracy ±5 x 10
Typical SSB Phase Noise at 1 GHz Center Frequency (see chart below)
per day for aging;
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Warranty and Disclaimer | Warranty
Operating Temperature (ambient) 32°F to 122°F (0°C to +50°C)
Power Consumption 6.5 watts warmup, 4.5 watts after 3 minutes from included 13.5 volt
power supply
Spurious Signals
Harmonics < -30 dBc typical
Non-harmonic spurious < -50 dBc typical (100 MHz multiples)
6 Warranty and Disc laimer
©2017 Signal Hound. A ll rights reserved .
Reproduction, adaptation, or translation without prior written permission is prohibited, except as
allowed under the copyright laws.
6.1 WARRANTY
The information contained in this manual is subject to chan ge without notice. Signal Hound makes no
warranty of any kind with regard to this material, including, but not li mited to, the implied w arranties or
merchantability and fitness for a particular purpose. Signal Hound shall not be liable for errors
contained herein or for incidental or consequential damages in connection with the furnishing,
performance, or use of this m aterial. This Signal Hound product has a warranty against defects in
material and workmanship for a period of tw o years from date of s hipment. During the warranty period,
Signal Hound will, at its option, either repai r or replace products that prove to be defective.
6.2 WA RRANTY SERV ICE
For warranty service or repair, this product must be returned to Signal Hound. The Buyer shall pay
shipping charges to Signal Hound and Signal Hound shall pay UPS Ground, or equivalent, shipping
charges to return the product to the Buy er. However, the Buy er shall pay all shipping charges, duties,
and taxes, to and from Signal Hound, for p roducts re turned from another cou ntry.
6.3 LIMITATION OF WARRA NTY
The foregoing warranty shall not apply to defects resulting from improper use by the Buyer, Buyersupplied software or interfacing, unauthorized modification or misuse, operation outside of the
environmental specifications for the product. No other warranty is expressed or implied. Signal Hound
specifically disclaims the implied warranties or merchantability and fitness for a particular pu rpose.
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Warranty and Disclaimer | Exclusive Remedies
6.4 EXCLUSIVE REMEDIES
The remedies provided herein are the Buyer’s sole and exclusive remedies. Signal Hound shall not
be liable for any direct, indirect, special, incidental, or consequential damages, whether based on
contract, tort, or any other legal theory.
6.5 CERTIFICATION
Signal Hound certifies that, at the time of shipment, this product conformed to its published
specifications.
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