Ramsey Electronics FZ-146 Specifications download pdf (Page 61)

FX-146 • 61

[ ] [ ] S1 on R7 (volume) A2 DC on-off

[ ] [ ] S2 12 position "H" Frequency selection

[ ] [ ] TP1

F20 VCO control voltage

[ ] [ ] TP2

F20 VCO output frequency

[ ] [ ] TP3

F20 U3 prescaler output

[ ] [ ] U1 MC13135 CR1 FM dual-conversion receiver

[ ] [ ] U2 LM380 B1 Receiver audio amplifier

[ ] [ ] U3 MC12017 F21 Dual- modulus 64/65 prescaler

[ ] [ ] U4 LM324 M17 Quad op amp: mic and PTT

[ ] [ ] U5 LM358 G9 Dual op amp: see PLL theory

[ ] [ ] U6 MC145152 G2 PLL Frequency Synthesizer

[ ] [ ] U7 74HC283 G15 4-bit high speed binary Adder

[ ] [ ] U8 74HC283 G16 " "

[ ] [ ] U9 74HC283 G17 " "

[ ] [ ] U10 74HC283 G18 " "

S: SWITCHES TP: TEST POINTS

U: INTEGRATED CIRCUITS

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 144 145

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Ramsey Electronics FZ-146 Specifications Page 61