FM DRIVER

J3
0-66dB
6dB STEPS
DAC ADJ FREQ
COMP
FIXED FREQ
COMP
0-36dB
12dB STEPS
0-6dB 0 - -2.2dB
@10 MHz +5dB @ 10MHz
ABUS
FM DRIVER
TP1 FM
ABUS

PLL INTERFACE

J4
CROSSOVER
>230 Hz
<230Hz
PLL DRIVER
J1-5
J1-4,6
FM COIL
TP2
DAC

PRETUNE

+5VREF
ABUS
12 BIT
115Hz
PRETUNE
CURRENT
SOURCE
-15VF
J1-8, 9
J1-7, 10
MAIN
YTO
COIL
J1-1
J1-2
J1-3
+15
-5
GND
TP3

SPLITTER

J6
6dB
6dB 9dB
8dB
+9
dB
12GHZ
8dB
J7 TO
FRAC- N/DIVIDER
J8 TO SAMPLER
FILTER
FILTER
FILTER
-
+
ABUS
+5V
-15V
+15V
+5V
REG Q1
-5VF
+5VF
-15VF
+15VF
-5VF

POWER SUPPLY

-15 VF
+5VF
TP4
+15VF

IO

CIK
DATA
EN
D
A
T
A
D
A
T
A
LATCH
LATCH
8
8

MUX

FM DRIVER
PLL TUNE
PRETUNE
-5VF
ABUS

SERIAL

IO

CIK
DATA
SELECT

A22 YIG DRIVER BLOCK DIAGRAM

A22 YIG DRIVER BLOCK DIAGRAM

sk768b

EEPROM

FM IN
FROM
FRAC-N/
DIVIDER
FROM
SAMPLER

YTO

> +10dBm
» 0dBm
» 0dBm
P1-4