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GPM Hybrid

The GPM Oscillator and Demodulator Hybrid`s are thick film hybrid sub-assemblies. They are designed as components for use by customers building their own support electronics. The Oscillator and Demodulator modules are miniaturised and encapsulated for minimum PCB space requirements.

Small size
Low Cost
For assembly to OEM Circuit Boards

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GPM Hybrids - Specification

GPM Hybrids
Power Requirement	Oscillator
Voltage Range	± 15 VDC (7 to 18 acceptable)
Current Range	± 39 mA

Power Requirement	Demodulator
Sensitivity	5 VDC output in 9 gain ranges for inputs from 2.5 mV to 3.75 Vrms. Fine gain control can be added (with additional resistors)
Voltage Output (V)	± 30 Fine, ± 100 Coarse
Output Offset (%)	Up to ± 10 (with ± 15 V supply).
Bandwidth (-3dB)	500 Hz, second order may be altered.
Output Ripple (mVrms)	1
Linearity (%)	< 0.02

Sensor (Mod and Demod)
Primary Voltage (VAC)	5 Vrms nominal, 0.5 to 7 V variable (with additional resistors)
Primary Frequency (kHz)	5 / 10 / 15 1 to 20 variable (with additional resistors)
Primary Current (mArms)	50 max
Oscillator Protection	Open and Short Circuit protection
Gain Control	Remote sense facility

Environmental	Oscillator
Temp. Coeff. of Gain (% / °C)	± 0.004
Temp. Coeff. of Offset (% / °C)	± 0.02
Warm up time (minutes)	15 (recommended)

Environmental	Demodulator
Temp. Coeff. of Amplitude (% / °C)	0.05 (assumes ± 5 V output)
Temp. Coeff. of Frequency (% / °C)	0.05 (assumes ± 5 V output)
Warm up time (minutes)	15 (recommended)

Mechanical and Connections
Weight (g)	3.5 (approx)
Size	25 x 15 x 6 (approx)
Mounting	PCB mounted conformal coated sil package

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