V C X O (VOLTAGE CONTROLLED CRYSTAL OSCILLATORS)
“GSR57” series 5x7 mm Wave Form: True Sine Wave
VCXO
with true sine wave output has never been offered in such a
small package in the industry – the
GSR57
(5x3.2x1.0mm).
GSR57 features low phase noise (<130 dBc / Hz
at 1 KHz), low power (<20 m W) and wide supply voltage range.
Applications include telecommunication systems and mobile phones.
General Specifications
T
A
=+25°C, V
DD
at specified voltage, load
10 K
Ω
// 10 pF
Mercury Product Series
Frequency Range
Output Wave Form
Input Voltage Range (V
DD
)
Commercial
(0°C to +70°C)
Temperature code is ‘C”
Industrial (extended)
(-40°C to +85°C)
Temperature code is ‘
I
”
Output Level
Output Load
Harmonic Distortion
Current Consumption (typical)
Start-up Time
Voltage Control Range
Frequency Deviation Range
Linearity
Slope Polarity
Input Impedance
Frequency Response
3 dB Modulation Band Width
Phase Noise
Aging
Packaging
GSR57
PRELIMINARY
10 MHz ~40.0 MHz
True Sine Wave
V
DD
= +2.7 V D.C. min. +5.0 V D. C. max.
Voltage codes: “28” for +2.8 V; “3” for +3.3 V; “5” for +5.0 V
Stability code “A”:±25 ppm over 0°C to +70°C
Stability code “B”:±50 ppm over 0°C to +70°C
Stability code “C”: ±100 ppm over 0°C to +70°C”)
If non-standard please enter the desired stability after the “C”.
For example “C20” represents ±20 ppm over 0 to +70°C
Stability code “D”:±25 ppm over -40°C to +85°C
Stability code “E”:±50 ppm over -40°C to +85°C
Stability code “F”:±100 ppm over -40°C to +85°C
If non-standard please enter the desired stability after the “
I
”.
For example “
I
20” represents ±20 ppm over -40 to +85°C
MERCURY
Since 1973
Frequency
Stability
(1)
Voltage Control
Characteristics
1.0 V peak-to-peak typical
For 50 ohm load, please refer to
Mercury “GS” series
10 K
Ω
// 10 pF
< -25 dBc
1.2 mA V
DD
= +5 V; 1.1 mA V
DD
= +3.3 V; 1 mA V
DD
= +2.7 V
2 m sec. typical
0.0 V to V
DD
with control voltage center at 50% of V
DD
± 50 ppm typical
±10 % max.
Positive. Increasing control voltage increases output frequency.
> 0.5 M
Ω
25 KHz min.
25 KHz min.
< 130 dBc /Hz at 1 KHz offset
±5 ppm per year max.
16 mm tape; 8 mm pitch, 1000 pcs per reel
(1)
Inclusive of 25°C tolerance, operating temperature range, ±10% input voltage variation, load change, aging,
shock and vibration.
Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail:
sales-us@mercury-crystal.com
MERCURY
Page 1 of 3
Date: Apr. 19, 2005
Rev. 1
MERCURY
www.mercury-crystal.com
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
