GUSTARD C16 User manual

Gustard
C16
High Precision Low Phase Noise 10M Clock Generator
User's manual

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Functions and features:
• C16 is a 10M high precision low phase noise clock generator;
• New customized model SC-cut OCXO with mature product line from large manufacturers in
the crystal industry, stable quality;
• True low-jitter design with low near-end phase noise.Actual measured performance is more
than two orders of magnitude higher than traditional SPXO femtosecond crystals;
• With six BNC interface outputs (3 + 3), divided into two types of output: direct output and
isolated output;
• It adopts square wave output mode, which has better compatibility for back-end equipment
than sine wave output;
• During the research and development process, the objective performance and subjective
listening sensation were optimized specifically for Goethe C16 and future audio digital
source equipment;
• Not the ultimate performance design regardless of cost, but the selection of a good cost-
effective OCXO, which has achieved a good balance between performance and price.The C16
has both subjective and objective audio performance far exceeding that of the traditional
SPXO femtosecond crystal, and at the same time the price is relatively friendly.

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Table of Contents
Front panel introduction········································3
Rear panel introduction·········································3
Main functions and operations···································4
Product parameters··············································5
After sales service·············································6

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Front panel
1. The function indicator is used to indicate the start-up, indicating the status of
the warm-up, and the output status of the port.
2. VIVID button-enable control of VIVID output group.
3. GENTLE button-enable control of GENTLE output group.
Rear panel

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Main functions and operations
1. Intelligent heat engine function:
When the power tailstock switch at the rear of the fuselage is turned on, the C16
enters the warm-up state, and the panel indicators flash at the same time.
2. Automatically turn on the clock output when the machine is finished
When the machine is warmed up for about 15 minutes, the panel indicators are
turned on at the same time, and the VIVID group and the GENTLE group are
automatically and simultaneously Turn on output
3. Key Function:
When the heat engine is finished:
VIVID is used to enable or disable the VIVID output group. Press the VIVID key,
the corresponding indicator is bright to turn on the output, Dim is to turn off
the output.
GENTLE is used to enable or disable the GENTLE output group. Press the GENTLE key,
the corresponding indicator light is bright to turn on the output, Dim is to turn
off the output.
15 minutes warm-up time:
VIVID is used to control the opening and closing of the VIVID output group. Press
the VIVID key, the corresponding indicator is always on to turn on the output.
Blinking turns off the output.
GENTLE is used to control the opening and closing of the GENTLE output group.
Press the GENTLE key, the corresponding indicator light is always on to turn on
the output. Blinking turns off the output.

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Product parameters
Output frequency: 10 MHz
Output accuracy: <± 300ppb
Frequency stability: <± 50ppb
Output amplitude: ≥7dBm @ 50Rz
Output waveform: square wave
Output impedance: 50Ω
Near-end phase noise @ 1Hz (TYP): -100dBc
Short stability (Allen variance) (TYP): 2e-12 1s
Other specifications:
AC power supply: AC 115V/230V 50/60Hz
Power consumption: <15W
Dimensions: width 220mm * height 50mm * depth 170mm (without protruding parts)
Weight: 2.5Kg (including packaging)

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Product Warranty:
You will enjoy the 2-year free warranty and lifetime maintenance after the date
purchasing GUSTARD’s C16 product.
* The manufacturer bears only the freights from Chinese mainland. Part of the freight
and tax generated from overseas will be solved by the user with the dealer negotiation.
Free Warranty Service
GUSTARD C16 from the purchasing date in the free warranty period, the user uses the
product in normal, and the product fails due to component quality or manufacturing
problems.
Beyond the Warranty Service
Belonging to one of the following circumstances, products are no longer provided
warranty service.
a. Products from the date of purchase has exceeded a predetermined warranty period.
b. Model, barcodes and purchase date do not match the actual product and warranty
card.
c. Without GUSTARD technician permission, unauthorized modifications to the circuit，
components or self-repaired product.
d. Damaging caused by irresistible natural forces.
e. Beyond the permitted use of environmental damage.
f. Damaging due to incorrect use or improper storage. Including but not limited to:
the voltage is too high to burn the circuits or components; Bumping and resulting in
damaging the shell or internal; damaging due to water, oil, liquid and excessive
dust; product oxidation or corrosion, etc.
g. Beyond the warranty period, such as an individual component damage, appearance
due to human damage, firmware modifications lead to unable to work by unauthorized
users. GUSTARD commits to take reasonable maintenance fees (except large area
components or circuit board burned beyond repair). Freight and maintenance costs,
material costs are required the user to bear.