Quality Electronics for Wildlife,
Environmental Research,
and Special Applications
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Page last updated on Wednesday October 07, 2009

ST-20-200V Argos Electronics

Fig. 1
Fig. 1. ST-20-200V Electronics

Size (in, mm) Weight (g) Low Power (mW) High Power (mW)
3.67 x 1.90 x 1.019
93.2 x 48.3 x 25.9
64 500 (Typ) mW 1000 (Typ) mW

Telonics designed the ST-20-200V with environmental research applications in mind, especially those in the fields of oceanography and meteorology. The ST-20-200V allows researchers to measure multiple voltage potentials with high accuracy according to a specified schedule, and then uplink this data according to another schedule. Applications include monitoring high-altitude balloon housekeeping devices or barometric pressure sensors.

Key Features

Specifications

Mechanical

Size 3.67 x 1.90 x 1.019
93.2 x 48.3 x 25.9
Weight 64 grams

Electrical

Supply voltage, minimum 2.0 V
Supply voltage, maximum, low power 3.65 V
Supply voltage, maximum, high power 5.0 V
Output Impedence 50 Ω
Low power level 500 (Typ) mW
27 ±2 dbm
High power level 1000 (Typ) mW
30 ±2 dbm
Minimum operating temperature 70° C
Maximum operating temperature -40° C
Argos transmission frequency 401.618 to 401.680 MHz
Modulation (BPSK) -1.1 to +1.1 ±0.1 Radians
Quiescent current, typical 25 µA
Spurious emissions -45 dBc
Voltage measurement error, maximum 0.3% of FS

Manual

ST-20-200V User Manual

Related Links to Information on Other Websites

Argos System Manual
Getting started with Argos
Argos Publications

Regulatory Information

ST-20 Argos Certification
FCC Form 422 Sample

Service Commitment

Since 1970, Telonics has built a reputation based on product quality, product support, service, and customer satisfaction. Telonics strives to produce the highest quality products, and to support those products accordingly.

Because of extreme conditions and the unpredictable nature associated with most telemetry applications, problems occasionally arise. Most problems can be resolved quickly. In all cases, we hope to be able to work in partnership with users to resolve problems to the user's satisfaction and to uphold our demonstrated commitment to excellence. If problems should arise, all products must be returned to our factory for failure analysis.

Warranty: Argos Transmitting Subsystems Show