ST TDR017V1 User Manual
Demonstration board using the PD84001 for UHF RFID reader
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
Description
STEVAL-TDR017V1
and 2-way radio
Mechanical specification:
L = 60 mm, W = 30 mm
The STEVAL-TDR017V1 is a demonstration
board using the PD84001 LDMOS transistor. It is
designed for UHF RFID reader and 2-way radio
applications.
Table 1. Device summary
Part number
STEVAL-TDR017V1
October 2010 Doc ID 18091 Rev 1 1/8
www.st.com
8
Contents STEVAL-TDR017V1
Contents
1 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2/8 Doc ID 18091 Rev 1
STEVAL-TDR017V1 Electrical characteristics
1 Electrical characteristics
TA = +25 oC, VDD = 7.2 V, I
= 50 mA
dq
Table 2. Electrical specifications
Symbol Test conditions Min Typ Max Unit
Freq Frequency range 860 960 MHz
P
OUT
Gain @ P
ND @ P
H2 2nd harmonic @ P
H3 3rd harmonic @ P
= 16 dBm 14.6 ± 0.4 dB
IN
= 16 dBm 51 - 53 %
IN
= 16 dBm -44 / -47 dBc
IN
= 16 dBm -51 / -57 dBc
IN
VSWR Load mismatch all phases @ P
=1 W 20:1
OUT
1W
Doc ID 18091 Rev 1 3/8
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