User manual

Hardware

2.2 HARDWARE COMPONENTS

Figure 2-3 identifies the key hardware components of the daughter board. Tabl e 2-1

lists the descriptions for each hardware component.

FIGURE 2-3: UTILITY-BAND BPSK 6.0 kbps PLM PICtail™ PLUS DAUGHTER BOARD

HARDWARE COMPONENTS

TABLE 2-1: UTILITY-BAND BPSK 6.0 kbps PLM PICtail™ PLUS DAUGHTER BOARD

HARDWARE COMPONENTS

2.2.1 Transmit-level Set Potentiometer (P1)

This 100 kΩ potentiometer sets the average signal output amplitude transmitted from

the daughter board. Refer to A.2 “Daughter Board Layout and Schematics” for the

daughter board schematics.

Item No. Description Item No. Description

1 Transmit-level set potentiometer (P1) 6 ADC input select jumper (JP3)

2 Transmit amplifier (U1A) 7 Tuned amplifier transistor (T9)

3 Output transistors (T5, T6) 8 Receive Band-pass filter (U2A, U2B)

4 RCA connector (CON1) 9 Transient Voltage Suppressor (D7)

5 HiZ select jumper (JP2) 10 Explorer 16 PICtail™ connector (CON2)