ST TDR017V1 User Manual

STEVAL-TDR017V1

Demonstration board using the PD84001 for UHF RFID reader and 2-way radio

Features

	■	Excellent thermal stability
	■	Frequency: 860 - 960 MHz
	■ Supply voltage: 7.2 V
	■ Output power: 1 W
	■ Power gain: 14.6 ±0.4 dB
	■	Efficiency: 51 % - 53 %
	■	Load mismatch: 20:1
	■ BeO-free amplifier
				Mechanical specification:
	Description			L = 60 mm, W = 30 mm
	The STEVAL-TDR017V1 is a demonstration		Table 1.	Device summary
	board using the PD84001 LDMOS transistor. It is
				Part number
	designed for UHF RFID reader and 2-way radio
	applications.
				STEVAL-TDR017V1

October 2010

Doc ID 18091 Rev 1

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www.st.com

Contents	STEVAL-TDR017V1

Contents

1	Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	3
2	Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	4
3	Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	5
4	Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	7

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STEVAL-TDR017V1	Electrical characteristics

1 Electrical characteristics

T = +25 oC, V		DD	= 7.2 V, I	dq	= 50 mA
A
Table 2.	Electrical specifications
Symbol			Test conditions			Min	Typ		Max	Unit
Freq	Frequency range					860			960	MHz
POUT								1		W
Gain	@ PIN = 16 dBm						14.6	±0.4		dB
ND	@ PIN = 16 dBm						51 - 53			%
H2	2nd harmonic @ PIN = 16 dBm						-44	/ -47		dBc
H3	3rd harmonic @ PIN = 16 dBm						-51	/ -57		dBc
VSWR	Load mismatch all phases @ POUT =1 W								20:1

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