User manual

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: CONSUMER-BAND BPSK 7.2 kbps PLM PICtail™ PLUS DAUGHTER BOARD

HARDWARE COMPONENTS

TABLE 2-1: CONSUMER-BAND BPSK 7.2 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 “Consumer-band BPSK 7.2 kbps PLM PICtail™

Plus 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)