VCXO - Complementary ECL, VHF Range, Negative Supply

  • Fundamental mode crystal up to 50MHz
  • Complementary ECL output
  • Fast rise / fall times
  • Enable / disable tristate function
  • Metal SM package with glass epoxy base
Configurable Options
ParameterOption Code
Frequency pullability
Frequency stability
* see note below

* Frequency stability is inclusive of calibration @ 25°C, operating temperature range, supply voltage change, load change and ageing, with VCTL = 2.5V

Quantity / Special Request

Please specify the quantity you require below.

The GVXO-37N is supplied on tape and reel. 1k pcs per reel is the standard T&R pack size for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The Golledge GVXO-37N voltage controlled oscillator is available up to very high frequencies with negative supply, ideal for applications such as telecoms.

Available over a wide frequency range of 12.0 to 170.0MHz, the GVXO-37N produces complementary ECL output and allows wide frequency pullability of ±100ppm, with other options available. 

This component comes with built in enable/disable functionality and is available at standard commercial operating temperature range of -10 to +70°C.

Frequency range 12.0 ~ 170MHz
Dimensions 20.6 x 14.0 x 5.0mm
Voltage control (VCTL) +2.5V ±2.0V, 10% linearity, +ve slope
Operating temperature range -10 to +70°C
Storage temperature range -40 to +85°C
Supply voltage -5.2V (±5%)
Supply current 80mA max
Output Complementary ECL
Test load RTT = 50Ω
VTT = -2.0V
Logic levels ‘0’ level = -1.60V max
‘1’ level = -1.02V min
Waveform symmetry 40:60 max @ 50%VP-P
Start up time 10ms max
Rise / fall time 0.5ns max (20% ~ 80%VP-P)
Enable / disable function Control via pad 6
Soldering condition Reflow, 240°C max
Package Drawing
Package footprint and pad configuration drawing for the Golledge GVXO-37N VCXO showing full dimensions.
Ordering Information

To request a quotation for the GVXO-37N please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at sales@golledge.com.

Once we've received your request our expert team will then produce a quotation tailored to meet your needs using the option codes you've selected.

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

Enable / Disable Function
Input (pad 6)Output 1 (pad 8)Output 2 (pad 9)
Open Active Active
'1' level VIH High ('1') Low ('0')
'0' level VIL Active Active

'0' level = VIL ≤ -1.60V, '1' level = VIH ≥ -1.02V

Tape & Reel Specification
Tape and Reel specifications

A:330 / B:32 / C:21.1 / D:14.6 / E:20 / F:5.2 / G:100 / H:21

Handling & Storage

ESD-HBM-1A Human Body Model (HBM) 1A (250V to <500V)

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)


Metal can with glass epoxy base


RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

REACH REACH compliant. See our statement

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

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