Rohde & Schwarz GB4000V, Руководство пользователя

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R&S GB4000V Audio Unit
User Manual 6174.7514.02 - 02 60
Column D (Direction): O = Output I = Input B = Bidirectional
Column T (Type): A = Analog D = Digital P = Power
Column TI (Test Instructions): P = Test Value T = Trimming Value D = Type Test Value
E = Setting Value
Signal Description D T Range TI Contact Remarks
PTT_RECORDER O D
U
min
:
–0.3 V
U
max
: +4.0 V
open drain
I
max
: 18 mA
R
I
: ~220
Ω
P X3.12 Push-To-Talk
output,
Contact against
GND = transmit
active
AF_RX_Line_OUT_A O A
0 dBm ±1.5 dB
600 Ω
300 Hz to 3.4 kHz
P X3.13 Output to external
device
AF_RX_Line_OUT_B O A X3.14
CARR_IN I A
U
min
:
–0.3 V
U
max
: +4.0 V
internal pull-up
(10
kΩ) to +3.3 V
Low = Carrier active
X3.15 Carrier input,
Contact against
GND = radio is in
transmit state
GND B A Ground X3.16
User_IO_1 B D 3.3 V TTL X3.17 Reserved
–
do not use
User_IO_2 B D 3.3 V TTL X3.18 Reserved
–
do not use
User_IO_3 B D 3.3 V TTL X3.19 Reserved
–
do not use
Voltage Summation Test Point O P 0 V to 5 V X3.20 Reserved
–
do not use
+3.3V_Internal O P
3.3 V
X3.21 Reserved
–
do not use
JTAG_EN_TMS I D X3.22 Reserved
–
do not use
JTAG_EN_TCK I D X3.23 Reserved
–
do not use
JTAG_EN_TDI I D X3.24 Reserved
–
do not use
JTAG_EN_TDO O D X3.25 Reserved
–
do not use